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What is the percentile rank of a bag

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Reference no: EM132858185

The number of chocolate chips in an? 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips.

?(a) What is the probability that a randomly selected bag contains between 1100 and 1400 chocolate? chips, inclusive?

?(b) What is the probability that a randomly selected bag contains fewer than 1050 chocolate? chips?

?(c) What proportion of bags contains more than 1225 chocolate? chips?

?(d) What is the percentile rank of a bag that contains 1050 chocolate? chips?

Reference no: EM132858185

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