Mathematics, 07.06.2021 22:10 chapb75
A rice retailer asserts that the average expiry of her Cindy Rice is 60 months. However, the expiry
guarantee on this brand is for just 36 months. Suppose the standard deviation of the life length is known
to be 10 months, and the frequency distribution of the life-length data is known to be bell-shaped.
a. Approximately what percentage of the retailer’s grade A batteries will last more than 50
months, assuming the rice retailer’s assertion is true?
b. Approximately what percentage of the retailer’s Cindy Rice will last less than 40 months,
assuming the manufacturer’s claim is true?
c. Suppose her Cindy Rice lasts 37 months before expiry. What could you infer about the
retailer’s assertion?
Answers: 2
Mathematics, 22.06.2019 02:30
Yuto solved the equation below. what is the solution to yuto’s equation?
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Mathematics, 22.06.2019 02:30
In july, the average temperature in one us city was 29°c. by december, the average temperature had fallen by 29°c. explain why the average temperature in december was 0°c.
Answers: 3
Mathematics, 22.06.2019 03:00
Alayna wonders how much water it would take to fill her cup she drops her pencil in her cup and notices that it just fits diagonal the pencil is 17 cm long and the cup is 15 cm tall how much water can the cup hold
Answers: 2
A rice retailer asserts that the average expiry of her Cindy Rice is 60 months. However, the expiry...
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