During a recent academic year, approximately 1.7 million students took one or more AP tests. Following is

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During a recent academic year, approximately 1.7 million students took one or more AP tests. Following is the frequency distribution of the number of AP tests taken by students who took one or more AP tests. image text in transcribed

Let X represent the number of exams taken by a student who took one or more.

a. Construct the probability distribution for X.

b. Find the probability that a student took exactly one exam.

c. Compute the mean μX.

d. Compute the standard deviation σX.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 06, 2024 02:10 AM

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During a recent academic year, approximately 1.7 million students took one or more AP tests. Following is

Question:

Number of Tests Frequency (in 1000s) 12345 1 953 423 194 80 29 6 9 7 3 8 1 Total 1692

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Elementary Statistics

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