SOLUTION: The weights of bags of ready-to-eat salad are normally distributed with a mean of 290 grams and a standard deviation of 10 grams. What percent of the bags weigh less than 280 grams

Question 1011103: The weights of bags of ready-to-eat salad are normally distributed with a mean of 290 grams and a standard deviation of 10 grams. What percent of the bags weigh less than 280 grams?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The weights of bags of ready-to-eat salad are normally distributed with a mean of 290 grams and a standard deviation of 10 grams. What percent of the bags weigh less than 280 grams?
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z(280) = (280-290)/10 = -10/10 = -1
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P(x < 280) = P(z < -1) = normalcdf(-100,-1) = 0.1587
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Cheers,
Stan H.
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