Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 11. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 89 and 111? (b) What percentage of people has an IQ score less than 89 or greater than 111? (c) What percentage of people has an IQ score greater than 133?

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Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ…

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Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

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Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

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A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: Heights for group of people are normally distributed with mean = 66 inches and standard deviation =…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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Q: IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. a. What…

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