Question 288050
A loaf of bread is normally distributed with a mean of 22 ounces and a standard deviation of .5 ounces. 
What is the probability that a loaf of bread is < 20.75 ounces?
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z(20.75) = (20.75-22)/0.5 = -2.5
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P(x< 20.75) = P(z < -2.5) = 0.0062
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Cheers,
Stan H.