SOLUTION: X is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The probability that X is less than 9.7 is ?

Question 817963: X is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The probability that X is less than 9.7 is ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
X is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The probability that X is less than 9.7 is ?
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z(9.7) = (9.7-22)/5 = -2.46
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P(x < 9.7) = P(z < -2.46) = 0.0069
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Cheers,
Stan H.
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