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Mathematics, 03.03.2021 19:40 clairajogriggsk
I need help because I'm solving these questions by the manual, and yet it still says that I am wrong after multiple attempts.
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Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.
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I need help because I'm solving these questions by the manual, and yet it still says that I am wrong...
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