am scores of a stat distribution are normally distributed with a mean of 70 and a standard deviation of 10. a) If the professor wants to give A's to the top 10% of the students, what should be the cutoff point for an A? b) If there are 9 students in the class, what is the probability that the average score would be more than 75

am scores of a stat distribution are normally distributed with a mean of 70 and a standard deviation of 10. a) If the professor wants to give A's to the top 10% of the students, what should be the cutoff point for an A? b) If there are 9 students in the class, what is the probability that the average score would be more than 75

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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