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QUESTION

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean...

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of

12521252

chips and standard deviation

129129

chips.

(a) What is the probability that a randomly selected bag contains between

11001100

and

15001500

chocolate chips, inclusive?

(b) What is the probability that a randomly selected bag contains fewer than

11001100

chocolate chips?

(c) What proportion of bags contains more than

11751175

chocolate chips?

(d) What is the percentile rank of a bag that contains

14251425

chocolate chips?
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