AP tests again: During a recent academic year, approximately 1.7 million students took one or more AP

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AP tests again: 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: 9781264136407

4th Edition

Authors: William Navidi , Barry Monk

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Question Posted: Jul 18, 2024 07:09 AM

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AP tests again: During a recent academic year, approximately 1.7 million students took one or more AP

Question:

Number of Tests Frequency (in 1000s) 1 953 2 423 3 194 4 80 5 29 6 7 9 3 8 1 Total 1692

Step by Step Answer:

Elementary Statistics

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