Given a test is normally distributed with a mean of 30 and a standard deviation of 6: What is the probability that a single score drawn at random will be greater than 34? What is the probability that a sample of 9 scores will have a mean greater than 34? What is the probability that the mean of a sample of 16 scores will be either less than 28 or greater than 32?
Given a test is normally distributed with a mean of 30 and a standard deviation of 6: What is the probability that a single score drawn at random will be greater than 34? What is the probability that a sample of 9 scores will have a mean greater than 34? What is the probability that the mean of a sample of 16 scores will be either less than 28 or greater than 32?
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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Given a test is
- What is the
probability that a single score drawn at random will be greater than 34? - What is the probability that a sample of 9 scores will have a mean greater than 34?
- What is the probability that the mean of a sample of 16 scores will be either less than 28 or greater than 32?
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