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Find the probability that a randomly selected

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Reference no: EM131555155

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

a. Find the probability that a randomly selected adult has IQ < 115

b. Find the probability that a randomly selected adult has IQ > 70

c. Find P30, which is the IQ separating the bottom 30% from the top 70%

Reference no: EM131555155

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