25% of all Student enrolled in school XYZ are taking algebra. 30 students are chosen randoml a. Find the probability that exactly 7 students out of the 30 are taking algebra b.what is the probability that fewer than 5 students out of 30 are selected are taking algebra c. calculates the mean and standard deviations of these binomial distribution 2. Scores on a history test has average of 80 with SD of 80. What is the Z_ score for a student who earned a 75 on the test

25% of all Student enrolled in school XYZ are taking algebra. 30 students are chosen randoml a. Find the probability that exactly 7 students out of the 30 are taking algebra b.what is the probability that fewer than 5 students out of 30 are selected are taking algebra c. calculates the mean and standard deviations of these binomial distribution 2. Scores on a history test has average of 80 with SD of 80. What is the Z_ score for a student who earned a 75 on the test

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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