A simple random sample of size n = 120 is obtained from a population with mean 240 and standard deviation 48. Find the probability that the sample mean is greater than 250. Round to four decimal places. A.) .0112 B.) .5825 C.) .4175 D.) .9888
A simple random sample of size n = 120 is obtained from a population with mean 240 and standard deviation 48. Find the probability that the sample mean is greater than 250. Round to four decimal places. A.) .0112 B.) .5825 C.) .4175 D.) .9888
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
A simple random sample of size n = 120 is obtained from a population with
A.) .0112
B.) .5825
C.) .4175
D.) .9888
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