SOLUTION: Hello. Any help on this one is greatly appreciated. Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following pr

Question 651553: Hello. Any help on this one is greatly appreciated.
Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probabilities:
P (x < 48)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probabilities:
P (x < 48)
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z(48) = (48-28)/7 = 20/7
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P(x < 48) = P(z < 20/7) = normalcdf(-100,20/7) = 0.9979
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Cheers,
Stan H.
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