QNT 351 Week 2 Connect Lab 2016 Version

May 19th, 2016
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1. The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience Admissions Probability 1050 0.5 1300 0.2 1540 0.3 a. What is the expected number of admissions for the fall semester b. Compute the variance and the standard deviation of the number of admissions(Round your standard deviation to 2 decimal places. 2. The Internal Revenue Service is studying the category of charitable contributions. A sample of 22 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000. Of these 22 returns, 7 had charitable contributions of more than $1,000. Suppose 6 of these returns are selected for a comprehensive audit a. You should use the hypergeometric distribution is appropriate. Because b. What is the probability exactly one of the six audited had a charitable deduction of more than $1,000 c. What is the probability at least o

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1. The director of admissions at Kinzua University in Nova Scotia estimated the distribution ofstudent admissions for the fall semester on the basis of past experienceAdmissionsProbability1050130015400.50.20.3a.What is the expected number of admissions for the fall semesterb.Compute the variance and the standard deviation of the number of admissions(Roundyour standard deviation to 2 decimal places.a.b.Expected Number of admissionsVariance45721Standard Deviation213.8212472. The Internal Revenue Service is studying the category of charitable contributions. A sample of 22returns is selected from young couples between the ages of 20 and 35 who had an adjustedgross income of more than $100,000. Of these 22 returns, 7 had charitable contributions of morethan $1,000. Suppose 6 of these returns are selected for a comprehensive audita. You should use the hypergeom

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