IQ Test Scores in an IQ test have a bell-shaped distribution with a mean of 100 and

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IQ Test Scores in an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 19.

(a) What percentage of people has an IQ score between 62 and 138?

(b) What percentage of people has an IQ score less than 81 or greater than 119?

(c) What percentage of people has an IQ score greater than 138?

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Statistics Informed Decisions Using Data

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Authors: Michael Sullivan

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Question Posted: Mar 27, 2024 05:00 AM

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IQ Test Scores in an IQ test have a bell-shaped distribution with a mean of 100 and

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To answer these questions we will use the properties of the normal distribution a To find the percentage of people with an IQ score between 62 and 138 ...View the full answer

Statistics Informed Decisions Using Data

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