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2. The Wehsler IQ test is normally distributed and has a known = 100 and a = 15. A sample of = 25 is drawn

2. The Wehsler IQ test is normally distributed and has a known = 100 and a = 15. A sample of = 25 is drawn at random
a. The probability is .04 that the mean of the sample will be below what value?
b. What middle range of sample IQs will be expected to occur 95% of the time?

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