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The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 1261 chips and a standard

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 1261 chips and a standard deviation of 118 chips.

a) Determine the 25 percentile for the number of chocolate chips in a bag.

b) Determine the number of chocolate chips in a bag that make up the middle 98% of bags.

c) What is the interquartile range of the number of chocolate chips in a bag of chocolate chipcookies?

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