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What is the probability that the sample mean scores will be between 85 and 125 points?

01 / 10 / 2021 Assignment

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A typical adult
has an average IQ score of 105 with a standard deviation of 20.

If twenty (20)
randomly selected adults are given an IQ test:

What is the
probability that the sample mean scores will be between 85 and 125 points?

Find the
probability that P (85 <= X =< 125)
which is equal to P(X <= 125)
– P(X <= 85)



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