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A machine has four? components, A? B, C, and? D, set up in such a manner that all four parts must work for the machine to work properly. Assume the probability of one part working does not depend on the functionality of any of the other parts. Also assume that the probabilities of the individual parts working are ?PA=?PB=0.94, ?PC=0.9, and ?PD=0.93. Find the probability that the machine works properly. Round the nearest? ten-thousandth.
Assume that the variable B is the number of years of experience. Suppose the person has 2 years of college and 7 years of experience. What should their salary be?
What is the variance of Binomial random variable with n=20 and p=0.6?
Subaru, Honda, and Buick. When ranking the dealers, how many outcomes are possible?
What is the probability that a randomly selected worker is exposed to the LD50? Use a Venn diagram to find the probability that a randomly selected worker
a study of the time spent shopping in a supermarket for a market basket of 20 specific items showed an approximately
Given the current economy, where employees are asked to do more with less, job stress is at an all time high. An organization wished to determine what factors in the work environment were causing the most job stress.
What is the expected value of the sampling distribution model for the proportion of 480 freshmen that will return to the same school for their sophomore year?
A process follows the binomial distribution with n = 8 and p = .3. Find
1. you go to a store to get ice-cream. there are five types of cones three types of ice-cream and six kinds of
Testing for Population mean - Based on this sample evidence, is Joan's supervisor correct? Use a = .05.
Many law enforcement agencies use voice-stress analysis to help determine whether persons under interrogation are lying. If the sound frequency of a person's voice changes when asked a question
His staff takes a simple random sample of 300 Statsville residents and finds that 43 of them are underemployed. What is the test statistic for this hypothesis test? We cannot say because the condition for randomness, independence, or normality is n..
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