Question

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

1252

and standard deviation

129

chips.

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

1100

and

1500

chocolate chips?

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

1050

chocolate chips?

(c) What proportion of bags contains more than

1200

chocolate chips?

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

1425

chocolate chips?

Math   Statistics-And-Probability   
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