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The number of chocolate chips in an​ 18-ounce bag of chocolate chip cookies is approximately normally...

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

12521252

and standard deviation

129129

chips.

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

11001100

and

15001500

chocolate​ chips?

​(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

14751475

chocolate​ chips?

Math   Statistics-And-Probability   
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