Suppose that from the past experience a professor knows that the test score of a student taking his final examination is a random variable with mean 61 and a standard deviation 8.5. how many students would have to take the examination to ensure, with probability at least 0.94, that the class average would be within 3 of 61?
Suppose that from the past experience a professor knows that the test score of a student taking his final examination is a random variable with mean 61 and a standard deviation 8.5. how many students would have to take the examination to ensure, with probability at least 0.94, that the class average would be within 3 of 61?
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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Suppose that from the past experience a professor knows that the test score of a student taking his final examination is a random variable with mean 61 and a standard deviation 8.5. how many students would have to take the examination to ensure, with
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