SOLUTION: the class average on a test is 85, with a standard deviation of 3.8, find the probability that a student received at least 76 on the test
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Question 439056: the class average on a test is 85, with a standard deviation of 3.8, find the probability that a student received at least 76 on the test Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! the class average on a test is 85, with a standard deviation of 3.8, find the probability that a student received at least 76 on the test
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z(76) = (76-85)/3.8 = -2.3684
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P(x>= 76) = P(z>= -2.3684) = 0.9911
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Cheers,
Stan H.
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