Mathematics, 09.07.2020 01:01, nemalipurim

Assume that adults have IQ scores that are normally distributed with a mean of mu equals 105μ=105 and a standard deviation sigma equals 20σ=20. Find the probability that a randomly selected adult has an IQ between 8989 and 121121.

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Assume that adults have IQ scores that are normally distributed with a mean of mu equals 105μ=105 an...