IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one

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IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = IQ of an individual.

a. X ~ _____(_____,_____)

b. Find the probability that the person has an IQ greater than 120. Include a sketch of the graph, and write a probability statement.

c. MENSA is an organization whose members have the top 2% of all IQs. Find the minimum IQ needed to qualify for the MENSA organization. Sketch the graph, and write the probability statement.

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Introductory Business Statistics

ISBN: 202318

1st Edition

Authors: Alexander Holmes , Barbara Illowsky , Susan Dean

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Question Posted: May 10, 2024 02:01 PM

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IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one

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