SOLUTION: a set of normally distributed data has a mean of 47 and standard deviation of 0.6.. find the percentage of data within 45 and 47?
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Question 612239: a set of normally distributed data has a mean of 47 and standard deviation of 0.6.. find the percentage of data within 45 and 47? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! a set of normally distributed data has a mean of 47 and standard deviation of 0.6.. find the percentage of data within 45 and 47?
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z(47) = 0
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z(45) = (45-47)/0.6 = -3.33
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P(45<= x <=47) = P(-3.33<= z <=0) = normalcdf(-3,33,0) = 0.4996
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cheers,
Stan H.
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