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The number of chocolate chips in an18-ouncebag of chocolate chip cookies is approximately normally distributed with a mean of 1252chips and standard deviation129chips. (a)What is

The number of chocolate chips in an18-ouncebag of chocolate chip cookies is approximately normally distributed with a mean of

1252chips and standard deviation129chips.

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

1000and1400chocolatechips, inclusive?

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

1125chocolatechips?

(c)What proportion of bags contains more than1175chocolatechips?

(d)What is the percentile rank of a bag that contains1000chocolatechips?

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