The following table presents the numbers of students enrolled in grades 1 through 8 in public schools

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The following table presents the numbers of students enrolled in grades 1 through 8 in public schools in the United States. image text in transcribed

Consider these students to be a population. Let X be the grade of a student randomly chosen from this population.

a. Construct the probability distribution of X.

b. Find the probability that the student is in fourth grade.

c. Find the probability that the student is in seventh or eighth grade.

d. Compute the mean μX.

e. 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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The following table presents the numbers of students enrolled in grades 1 through 8 in public schools

Question:

Grade Frequency (in 1000s) 1 3750 2 3640 3 3627 4 3585 5 3601 6 3660 7 3715 8 3765 Total 29,343

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Elementary Statistics

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