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The following question needs answering. Please help. Make sure to include a tree diagram.
Two factories manufacture computer memory chips. Suppose that 20% of the chips from Factory I are defective and that 5% of the chips from Factory II are defective. Each week Factory I produces four times as many chips as Factory II. It is important to use a tree diagram.
(a) What is the probability that a randomly selected chip is satisfactory?
(b) What is the probability that a randomly selected chip is defective?
(c) Given that the chip is defective, what is the probability that it came from Factory I?
What is the variance of the number of days absent - Compute the variance and standard deviation of a probability distribution and What is the probability an advertising firm selected at random has under $1 million in income after taxes?
reports in 2006 between the hours of 6am and 6pm 8160 occupants of cars who were wearing restraints died in an accident
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As part of a review of its rate structure, an automobile insurance company has compiled lhe following data on cl.aims filed by five roale policyholders and five female policyholders.
The probability distribution of the daily demand for a product is shown below. What is the expected number of units demanded per day? Determine the variance and the standard deviation.
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Explain whether p^ or p is the correct statistical notation for each proportion described:- The proportion that smokes in a randomly selected sample of n = 300 students in the eleventh and twelfth grades.
Write the null and alternative hypotheses about m, the mean number of cars per day that cross the Tappan Zee Bridge.- For the hypotheses in part (a), describe the type I and type II errors.
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