You can put this solution on YOUR website! The mean is 15.2 and the standard deviation is 0.9. Find the probability that X is greater than 17.
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z(17) = (17-15.2)/0.9 = 2
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P(x > 17) = P(z > 2) = normalcdf(2,100) = 0.0228
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Cheers,
Stan H.