A simple random sample of size n = 120 is obtained from a population with mean 240 and standard deviation 48. Describe the sampling distribution of the sample mean. A.) approximately normal with mean 240 and standard deviation 2.5 B.) approximately normal with mean 240 and standard deviation 4.38 C.) approximately normal with mean 240 and standard deviation 48 D.) approximately normal with mean 240 and standard deviation 120
A simple random sample of size n = 120 is obtained from a population with mean 240 and standard deviation 48. Describe the sampling distribution of the sample mean. A.) approximately normal with mean 240 and standard deviation 2.5 B.) approximately normal with mean 240 and standard deviation 4.38 C.) approximately normal with mean 240 and standard deviation 48 D.) approximately normal with mean 240 and standard deviation 120
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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A simple random sample of size n = 120 is obtained from a population with
A.) approximately normal with mean 240 and standard deviation 2.5
B.) approximately normal with mean 240 and standard deviation 4.38
C.) approximately normal with mean 240 and standard deviation 48
D.) approximately normal with mean 240 and standard deviation 120
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