Probability that a randomly selected bag


The number of chocolate chips in an 18 ounce bag of chocolate chips os approxiamately normally distributed with a mean of 1252 chipos and standard deviation 129 chips.

(a) What is the probability that a randomly selected bag contains between 1100 and 1400 chocolate chips, inclusive?

(b) What is the probability that a randomly selected bag contains fewer 1025 chocolate chips?

(c) What proportion of bags contains more than 1175 chocolate chips?

(d) What is the percentile rank of a bag that contains 1450 chocolate chips?

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Basic Statistics: Probability that a randomly selected bag
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