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The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...

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Basic Math

The number of chocolate chips in a bag of chocolate chip cookiesis approximately normally distributed with a mean of 1262 chips anda standard deviation of 118 chips.

​(a) Determine the 27th percentile for the number of chocolatechips in a bag. ​

(b) Determine the number of chocolate chips in a bag that makeup the middle 98​% of bags. ​

(c) What is the interquartile range of the number of chocolatechips in a bag of chocolate chip​ cookies?

Answer & Explanation Solved by verified expert
3.8 Ratings (725 Votes)
a PZ z indicates a percentile 27th percentile implies PZ z 02700 The z value which separates the lower 02700 area from the rest is 061 approximately z XMeanSD X Mean zSD Number of chocolate    See Answer
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