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Mathematics, 30.03.2020 17:20 saintsfan2004

4. Scenario B: The scores of individual students on the US College Testing 3 points
(USCT) Program composite college entrance examination have an
approximately Normal distribution with mean 17.8 and standard deviation
4.5. At Eastside High, 36 seniors take the test. Assume that the scores at
this school have the same distribution as national scores. Determine the
probability (rounded to the nearest thousandth) that the mean score at
Eastside High School is at least 18.1.
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