Series forecasting for Business || Spring21 Time left 0:08:10 A random sample of 16 statistics examinations from a large population was taken. The average score in the sample was 78.6 and population variance was 64. We are interested in determining whether the average grade of the population is at least 75. Assume the distribution of the population of grades is normal. Then the critical value of the test at 5% level is O A. 1.753 OB. 1.96 OC. 1.645 d.p. None OE 1.645 NEXT PAGE IS PAGE
Series forecasting for Business || Spring21 Time left 0:08:10 A random sample of 16 statistics examinations from a large population was taken. The average score in the sample was 78.6 and population variance was 64. We are interested in determining whether the average grade of the population is at least 75. Assume the distribution of the population of grades is normal. Then the critical value of the test at 5% level is O A. 1.753 OB. 1.96 OC. 1.645 d.p. None OE 1.645 NEXT PAGE IS PAGE
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Series forecasting for Business || Spring21
Time left 0:08:10
Arandom sample of 16 statistics examinations from a large population was taken. The average score in the sample
was 78.6 and population variance was 64. We are interested in determining whether the average grade of the
population is at least 75. Assume the distribution of the population of grades is normal. Then the critical value of the
test at 5% level is
O A 1.753
OB. 1.96
OC 1.645
clo. None
OE 1645
NEXT PAGE
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