SOLUTION: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is normally distributed with a mean of 1250 chocolate chips and a standard deviation of 100 chocolate chi
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Question 889625: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is normally distributed with a mean of 1250 chocolate chips and a standard deviation of 100 chocolate chips. What is the probability that a randomly selected 18-ounce bag of chocolate chip cookies contains fewer than 1400 chocolate chips?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is normally distributed with a mean of 1250 chocolate chips and a standard deviation of 100 chocolate chips. What is the probability that a randomly selected 18-ounce bag of chocolate chip cookies contains fewer than 1400 chocolate chips?
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z(1400) = (1400-1250)/100 = 150/100 = 3/2
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P(x < 1400) = P(z < 3/2) = 0.9332
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Cheers,
Stan H.
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