IQ is normally distributed with a mean of 100 and a standard deviation of 15. a) Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 95. Write your answer in percent form. Round to the nearest tenth of a percent. P(IQ greater than 95) = b) Suppose one individual is randomly chosen. Find the probability that this person has an IQ less than 125. Write your answer in percent form. Round to the nearest tenth of a percent. P(IQ less than 125) = c) In a sample of 700 people, how many people would have an IQ less than 110? people

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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IQ is normally distributed with a mean of 100 and a standard deviation of 15.
a) Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater
than 95.
Write your answer in percent form. Round to the nearest tenth of a percent.
P(IQ greater than 95) =
%
b) Suppose one individual is randomly chosen. Find the probability that this person has an IQ less than
125.
Write your answer in percent form. Round to the nearest tenth of a percent.
P(IQ less than 125) =
c) In a sample of 700 people, how many people would have an IQ less than 110?
реople
d) In a sample of 700 people, how many people would have an IQ greater than 140?
реople
Transcribed Image Text:IQ is normally distributed with a mean of 100 and a standard deviation of 15. a) Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 95. Write your answer in percent form. Round to the nearest tenth of a percent. P(IQ greater than 95) = % b) Suppose one individual is randomly chosen. Find the probability that this person has an IQ less than 125. Write your answer in percent form. Round to the nearest tenth of a percent. P(IQ less than 125) = c) In a sample of 700 people, how many people would have an IQ less than 110? реople d) In a sample of 700 people, how many people would have an IQ greater than 140? реople
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