A random sample of 20 laptops from this manufacturer is selected. The probability tha, The life length x (in years) of a memory chip in a laptop computer is a random variable with probability density of: 1. A shipment of 8 computers contains 3 with defects. iPad. What is the probability that it will fail by 15,000 hours? What is the probability that a failure takes less than 4.5 hours to fix? Suppose that the average time a fully charged 6-volt laptop battery will operate a computer is 3.8 hours and follows the exponential probability distribution. The system has just failed. b) Find the probability that, Laptop computers produced by a company have an average life of 38.36 months. P (F|D')=0.05 Hence, 0.014 or 1.4% of connectors fail during the warranty period. (a) What is the probability of failure within a 100-hr warranty period? The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. Also, the data presented is a correlation. b. If the connector is ever wet, the probability of a failure during the warranty period is 5 % . This E-mail is already registered as a Premium Member with us. Find the variance for the probability distribu, In a factory, a device that works effectively as good as new during its operating life, has failure rate of 0.008 failures per day. b. If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period? If the connector is ever wet. Kindly login to access the content at no cost. If the connector is ever wet, the probability of a failure during the warranty period is 5%. Find the probability that (a), 4% of Android smartphones have defective graphics. The correlation coefficient is 1. In a random sample of 50 computer chips, use the normal approximation to estimate the probability that 4 or fewer chips are defective. Understand how to solve conditional probability problems and find conditional probability examples. C) Intersect Assume the bad chips are independent. Get 5 free video unlocks on our app with code GOMOBILE. (a) If 1000 such diodes are tested, find the probability t, The number of computer shutdowns during any month has a Poisson distribution, averaging 0.25 shutdowns per month. Calculate the probability that the equipment will fail for the first time between the second and third year. a) What is the probability t, In setting the warranty price for MP3 players, an electronics company wants to estimate the probability that a randomly purchased MP3 player will fail within the year. A) Angles 3 and 4 are complementary angles. (a) What is the probability that the device will fail during the second year of operation? The component has already been in operation for its mean life. What is the probability that exactly 2 laptops are defective among them? Find the probability that at least 2 months will elapse before a further failure. Electricity power failures occur according to a Poisson distribution. Please subscribe to view the answer, The probability is $1 \%$ that an electrical connector that is kept dry fails during the warranty pcriod of a portable computer. Learn what the conditional probability of an event occurring is. P(A \text { & } B) = P(A) \times P(B | A) The probability is $1 \%$ that an electrical connector that is kept dry fails during the warranty period. Given that a customer buys Product B6700, what is the probability it is defective? If the connector is ever wet, the probability of a failure during the warranty period is 4%. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period? /Length 2408 If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period 2-73. If he is correct, what is the probability tha, The number of power failures experienced by the Columbia Power Company in a day has a Poisson distribution with an average of 0.2 power surges per day. Product number Defective Non-defective A2345 35 200 A55. (b), Consider the well failure data given below. A. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period? B. An online computer store sells 6 such computers. If the connector is , The probability is $1 \%$ that an electrical connector that is kept dry fails during the warranty pcriod of a portable computer. If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period? If the connector is ever wet, the probability of a failure during the warranty period is 5%. First, we can find the probability of failure for each type of connector (dry and wet) separately. A correlation coefficient is a numerical measure of some type of correlation, meaning a statistical relationship between two variables. If the connector is ever wet, the probability of a failure during the warranty period is 5%. the connector is ever wet, the probability of a failure during the warranty period is 5%. a) the hypergeocentric dis. What is the probability that appliance will fail within 1 year? Statistics and Probability questions and answers. If 8 parts are selected off a continuous assembly line, find the probability that no more than 6 are good (at most 6 are good). The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period? }\, What is the probability that a customer who bought an item at regular price purchased the extended warranty? 0.014 or 1.4% of connectors fail during the warranty period. A component has an exponential time-to-failure distribution with a mean of 10,000 hours. Find the probability (use 4 decimal places in yo, Suppose that 50 identical batteries are being tested. (a) What is the probability that a computer will fail within 12 months? If a connector is wet, a 5% probability of failling. 12% of computer chips manufactured are defective. You randomly select 20 laptops for your sales people. If X is the number of defective pieces and Y is the nymber of non-defec, Spark Plugs: Assume that 2% of all spark plugs are defective. a) What is the probability that there wi. ing lines form opposing angles. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. All rights reserved. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. This site is using cookies under cookie policy . Chapter 2, Exercises #123. , Which is an appropriate statement about angles 3 and 4 in the diagram below? If the connector is ever wet. 2) D, The probability that an electronic component will fail in less than 1,000 hours of continuous use is 0.30. Each laptop has an 8% probability of not working. (B) What is the. Find the probability that a sample of size 4, drawn from the 8, will not contain a defective computer. Which reason is the justification for the statement that angle A angle B? If the probability of failure for this device is independent of running time, find the probability that this device will fail after 50 days of working and before 100 days of running time. The probability that a certain diode will fail before service is due equals p = 0.65. A shipment of 8 computers contains 2 with defects. Suppose that 90% of all connectors are kept dry. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30. B) Linear angles are equal. Question : The probability 1% that an electrical connector that kept dry : 79424 The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. From the shipment you take a random sample of 25. C) Angle 4 is greater than angle 3. The machine's age at failure, X, has probability density function f(x) = \begin{cases} \frac{c}{x^3},&\text{if } x>1,\\ \\ 0,&\text{otherwise. If the probability of failure for this device is independent of running time, find the probability that this device will fail before the 10 days that follow the first 100 days of running time. the probability of a failure during the warranty period is 5%. Find the probability that a sample of size 3, drawn from the 8, will not contain a defective computer. If the connector is ever wet, the probability of a failure during the warranty period is 5%. a. If the switch is humid, the probability that it will fail during the guarantee per, A computer manufacturer has established that 4% of its new laptops sold are returned for defective repair within their 12-month warranty period. Let F denote the event that a connector fails and let X denote the event that a connector is wet. For wet connectors, the probability of failure is 5%. Since 10% of the connectors are wet, the probability of a connector being wet and failing is 0.10 * 0.05 = 0.005 (0.5% of all connectors). I need help with my math problem,.., If p(A)=0.30,p(B)=0.40and p(AB) =0.20,then p(A/B) is, the graph of the reciprocal parent function , f (x) = 1/x is shifted 8 units downs and 6 units to the left to create the graph o, how many different burritos can be made when a customer chooses one item frm each category shown in the table, SOMEBODY PLEASE HELP I DONT HAVE MUCH TIME, What is 21 1/4% expressed as a fraction? If the connector is ever wet, the probability of a failure during the warranty period is $5 \% .$ If $90 \%$ of the connectors are kept dry and $10 \%$ are wet, what proportion of connectors fail during the warranty period? stream What is the probability that greater than 30 batter. Based on the data in this two-way table, which statement is true? Tf 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the . iii. Consider the experiment of randomly selecting one electrical connector from a pile of 100 connectors. If, upon failure, the device is immediately replaced, what is the probability that there will be more than one failure. Assume that the life of a computer is exponentially distributed (which is a good assumption). Midwest Parts Supply (MPS) is a fabricator of small steel parts that, Find Data for Profit Variance Analysis Required Find the values of the, You landed a summer internship with a company that processes dental insurance, Use the simplex method to solve the following problem. If {eq}A 1) What is the probability of at least 3 computer shutdowns during the next year? What is the probability of fai. If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period? Consider a sample of 10,000 computers. If, on average, there are 3 failures every twenty weeks, then what is the probability of no failures over that time? If the connector is , Twenty percent of all telephones of a certain type are submitted for service while under warranty. The probability is $1 \%$ that an electrical connector that is kept dry fails during the warranty period of a portable computer. However, at one station, the probability is 0.01 that a defective part will arrive in a one-hour period. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. A company manufactures, The City of Castletons General Fund had the following post-closing trial balance, Suppose that and P(A)|B) = 0.2, (PA|B) = 0.3, and P(B) =, Suppose 2% of cotton fabric rolls and 3% of nylon fabric rolls, What arguments can you make that CERCLA should not be amended (or. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. If the connector is ever wet, the probability of a failure during the warranty period is 5%. The probability that an EDM machine produces a non-defective part is 95%. This problem deals with the interpretation and calculation of marginal and conditional probabilities using additive and multiplicative probability rules. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. What are the chances that 18 parts from a sample of 20 parts will be non-defective? {/eq}, Become a Study.com member to unlock this answer! Download the App! The probability that exactly 3 are defective. A) What is the likelihood that 5 will be broken? (b) What is the probability of a failure given the, The quality control manager at a computer manufacturing company believes that the mean life of a computer is 82 months, with a standard deviation of 10. The time it takes to fix an equipment failure is uniformly distributed between 3 and 7.5 hours. It means that the values of both x and y have a strong relationship giving them a value of 1. The probability is 1 that an electrical connector. A) Angles 3 and 4 are complementary angles. (a) Find the probability that the fourth chip they test is the first bad one they find. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. What is the probability that at least one of them will have a defective part? find the probability. (b) Given that a connector fail during the warranty period, what is the probability that it is ever wet? If the probability is .04 that a certain device will fail. C) Angle 4 is greater than angle 3. A store received a large shipment of Android smartphones. What, The probabilities that a batch of 4 computers will contain 0, 1, 2, 3, and 4 defective computers are .5470, .3562, .0870, .0094, and .0004, respectively. Unaware of this, a customer buys 6 laptops. The probability is 1% that an electrical connector that is kept dry fails during the warranty period. If the connector is ever wet, the probability of a failure during the warranty period is 5%. If 90% of the connectors are kept dry and 10% are wet, what proportion of connectors fail during the warranty period? what proportion of connectors fail during the warranty period? The probability that an electrical switch, which is kept in dry conditions, fails during the guarantee period, is 1%. A) Vertical angles are congruent. If the connector is ever wet; the probability of a failure during the warranty period is 59. A company owns 400 laptops. What is the mean number of diodes th. Find the probability that a. The time to failure (in years) of a Cyclone 365 computer has the probability function f(t) = 1/(t + 1)^2, t \geq 0. a. . The useful life of an electrical component is exponentially distributed with a mean of 2,500 hours. Suppose 90% of the connectors are kept dry and 10% are wet (a) What proportion of connectors fail during the warranty period? a. If 90% of the connectors are kept dry and 10% are wet,what proportion of connectors fail during the warranty period? Each diode has probability p = 0.002 of failing. In a factory, a device that works effectively as good as new during its operating life, has failure rate of 0.008 failures per day. What is the probability that greater than 40 batter, Suppose that 50 identical batteries are being tested. What is the probability that a sample of 1 of the 8 computers will not contain a defective computer? Inspection shows 90% of the connectors are kept dry and 10% are wet. Almost done! A 10% probability that a connectors is wet. The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer.
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