A local university administers a comprehensive examination to the candidates for B.S. degrees in Business Administration. Five examinations are selected at random and scored. The scores are shown below. Develop a 95% confidence interval estimate for the mean of the population. Assume the population is normally distributed. Grades 80 90 91 62 77 Select one: O a. 65.39 - 94.61 O b. 68.78 - 91.22 О с. 69.48 - 90.52 O d. 67.52 - 92.48

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A local university administers a comprehensive examination to the candidates for B.S. degrees in Business
Administration. Five examinations are selected at random and scored. The scores are shown below. Develop a 95%
confidence interval estimate for the mean of the population. Assume the population is normally distributed.
Grades
80
90
91
62
77
Select one:
O a. 65.39 - 94.61
O b. 68.78 - 91.22
О с.
O d. 67.52 - 92.48
69.48 - 90.52
Transcribed Image Text:A local university administers a comprehensive examination to the candidates for B.S. degrees in Business Administration. Five examinations are selected at random and scored. The scores are shown below. Develop a 95% confidence interval estimate for the mean of the population. Assume the population is normally distributed. Grades 80 90 91 62 77 Select one: O a. 65.39 - 94.61 O b. 68.78 - 91.22 О с. O d. 67.52 - 92.48 69.48 - 90.52
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