Wechsler adult intelligence scale

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To join the national organization Mensa, you must provide verified evidence that you scored at least 150 on the Wechsler Adult Intelligence Scale (WAIS). WAIS scores are normally distributed in the population with a mean of 100 and a standard deviation of 

(a) What proportion of the population is eligible to join?

(b) If there are 180 million adult Americans, how many of them could join?

Reference no: EM131852603

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