Mathematics, 11.06.2021 19:10 edisonsitesuper9312
The cost per item at a supermarket follows an exponential distribution. There are many inexpensive items and a few relatively expensive ones. The mean cost per item is $3.50. What is the percentage of items that cost:
A. Less than $1? ROUND YOUR ANSWER TO 4 DECIMAL PLACES!!
B. More than $4? ROUND YOUR ANSWER TO 4 DECIMAL PLACES!!
C. Between $2 and $3? ROUND YOUR ANSWER TO 4 DECIMAL PLACES!!!
D. Find the 40th percentile. Sixty percent of the supermarket items cost more than what amount? ROUND YOUR ANSWER TO 2 DECIMAL PLACES!!
Answers: 3
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The cost per item at a supermarket follows an exponential distribution. There are many inexpensive i...
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