Results from the Wechsler Adult Intelligence Scale, a common IQ test, are approximately normally distributed with a

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Results from the Wechsler Adult Intelligence Scale, a common IQ test, are approximately normally distributed with a mean of 100 and a standard deviation of 15.

a. There are various IQs for which people classify someone as a genius. Some consider a genius a person that has an IQ of 145 or more. If someone is randomly chosen from the population, what is the probability that his or her score will be 145 or more?

b. Mensa is a high-IQ society. To gain membership, someone must have an IQ in the top 2% of the population. What IQs are in the top 2% of the population?

c. Would all members of Mensa be considered geniuses by the rule given in part (a)?

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Question Posted: Mar 05, 2023 04:42 AM

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Results from the Wechsler Adult Intelligence Scale, a common IQ test, are approximately normally distributed with a

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