A binomial process has 892 trails and a probability of success of 0.78. What is the standard deviation of this process distribution?
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A random sample of 19 college? men's basketball games during the last season had an average attendance of 5,046 with a sample standard deviation of 1,753. a. Construct a 99?% confidence interval to estimate the average ...
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A product is made up of three parts that act independently of each other. If any of the parts is defective, the product is defective. Part one is defective 5% of the time, part two is defective 10% of the time, and part ...
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You've entered a contract to purchase a new house, and the closing is scheduled for next week. It's typical for some last-minute bargaining to occur at the closing table, where sellers often try to tack on extra fees. Yo ...
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A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 720 hours. A random sample of 51 light bulbs as a mean of 710.3 hours with a standard deviation of 62 hours. At an α=0.0 ...
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The increase in prescription drugs cost, increases the drug companies profit. Should there be restrictions to lower consumer cost and how much of their profit should be reinvested into research and development?
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At a large university, the probability that a student take calculus and is on the dean's list is 0.048. The probability that a student is on the dean's list is 0.29. Find the probability that the student is taking calcul ...
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Given a business situation word problem or case study such as one dealing with processing time or quantity of fill, use the normal probability distribution to determine a course of action. Assume that a population is nor ...
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Scores on a new version of the Miller Analogies test (MAT) taken during college students' senior year are correlated with their grades in graduate school two years later. The MAT correlated with GPA is .49. Which one is ...
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1. For each of the following, write out the null and alternative hypotheses, and indicate whether it is a one-tail or two-tail hypothesis test a) Do Canadian children whose parents are librarians do better than Canadian ...
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