1) 4000 high school freshmen from eight high schools took a common algebra exam. The scores were distributed normally with a mean of 75 and a standard deviation of 7. Do not use the Empirical Rule to answer this question. About how many high school freshmen had a score of at most 70? (Give answer as a whole number, not a percent. No comma. No space.) 2)

1) 4000 high school freshmen from eight high schools took a common algebra exam. The scores were distributed normally with a mean of 75 and a standard deviation of 7. Do not use the Empirical Rule to answer this question. About how many high school freshmen had a score of at most 70? (Give answer as a whole number, not a percent. No comma. No space.) 2)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

1) 4000 high school freshmen from eight high schools took a common algebra exam. The scores were distributed normally with a mean of 75 and a standard deviation of 7.
Do not use the Empirical Rule to answer this question.
About how many high school freshmen had a score of at most 70?
(Give answer as a whole number, not a percent. No comma. No space.)