MGMT305-PracQues1

# MGMT305-PracQues1 - c 4.8 d 4 4 The following information...

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MGMT 305: Practice Quiz Chapters 3, 5, 6 Multiple Choices Exhibit 1: Suppose the student body of Purdue consists of 60% female students. A random sample of 8 students is selected. 1. Refer to Exhibit 1. What is the probability that among the students in the sample exactly two are female? a. 0.0896 b. 0.2936 c. 0.0413 d. 0.0007 2. Refer to Exhibit 1. What is the probability that among the students in the sample at least 7 are female? 3. Refer to Exhibit 1. What is the expected number of female students in the sample?

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Unformatted text preview: c. 4.8 d. 4 4. The following information was collected from a simple random sample of a population. 16 19 18 17 20 18 The sample standard deviation is a. 2.000 b. 1.291 c. 1.414 d. 1.667 Problem 1. Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. What is the probability that a randomly selected exam will have a score of at least 71? b. If the top 2.5% of test scores receive merit awards, what is the lowest score eligible for an award? Answers: c a c c 0.9332 91.76...
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