Suppose that chemistry exam scores gre normally distributed with a mean of 24 and a standard deviation of 8. If a random sample of size 10 is slected from these scores, then the probability that the mean of this sample is less than 25 is closest to: O a. 0.65 b. 0.35 O c. None of these O d. 0.45 e. 0.55

Suppose that chemistry exam scores gre normally distributed with a mean of 24 and a standard deviation of 8. If a random sample of size 10 is slected from these scores, then the probability that the mean of this sample is less than 25 is closest to: O a. 0.65 b. 0.35 O c. None of these O d. 0.45 e. 0.55

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Description: Suppose that chemistryexam scores arenormally distributedwith a mean of 24 and astandard deviation of 8.If a random sample ofsize 10 is slected fromthese scores, then theprobability that themean of this sample isless than 25 is closestto:O a. 0.65b.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Suppose that chemistry
exam scores are
normally distributed
with a mean of 24 and a
standard deviation of 8.
If a random sample of
size 10 is slected from
these scores, then the
probability that the
mean of this sample is
less than 25 is closest
to:
O a. 0.65
b. 0.35
O c. None of these
O d. 0.45
e. 0.55

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