C\' | eztornheducation.comhm.tpx?-09978030076678894-1S1 71 99499022 connect. BUS
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Question
C' | eztornheducation.comhm.tpx?-09978030076678894-1S1 71 99499022 connect. BUSINESS STATISTIcs h06 Connect M3 Question 1 (of 6) value 16.70 points 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. 1,060 1,260 1,580 04 0.3 0.3 1. What is the expected number of admissions for the fall semester? Expected number of admissions 2. Compute the variance and the standard deviation of the number of admissions. (Round your standard deviation to 2 decimal places.) Variance Standard deviation eExplanation / Answer
Solution:
1. Expected number of admissions : 1276
=> (1060*0.4)+(1260*0.3)+(1580*0.3) = 1276
2. Variance = 46464
^2 = x^2.p(x) - ^2
=> x^2.p(x) = (1060^2*0.4)+(1260^2*0.3)+(1580^2*0.3) = 1674640
=> ^2 = x^2p(x) 2 = 46464
Standard devation: 215.56
=> sd = sqrt(variance) = sqrt(46464) = 215.5551 = 215.56(rounded)