46. Two hundred eighty (280) incoming freshmen at a certain college were given IQ tests. Assuming that their IQs are normally distributed with a mean of 100 and a standard deviation of 15, find how many freshmen have an IQ of: a. 80 and above b. 105 and higher c. 90 to105.
46. Two hundred eighty (280) incoming freshmen at a certain college were given IQ tests. Assuming that their IQs are normally distributed with a mean of 100 and a standard deviation of 15, find how many freshmen have an IQ of: a. 80 and above b. 105 and higher c. 90 to105.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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46. Two hundred eighty (280) incoming freshmen at a certain college were given IQ tests. Assuming that their IQs are
a. 80 and above
b. 105 and higher
c. 90 to105.
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