Asked by Anonymous

Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15.

Find the probability that a randomly selected adult has an IQ that is less than 115. Round to the nearest thousandth. Answer precisely. Do not use the Empirical rule to answer this question.

Answers

Answered by Steve
just find P(Z < 1)
since 115 is 1 std above the mean.
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