Mathematics, 07.06.2021 22:30 Maria3737
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: 3
Mathematics, 21.06.2019 23:00
What ia the sum if the first 7 terms of the geometric series
Answers: 2
Mathematics, 22.06.2019 02:00
1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now
Answers: 1
Mathematics, 22.06.2019 03:30
Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?
Answers: 1
Mathematics, 22.06.2019 05:00
Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)
Answers: 1
A rice retailer asserts that the average expiry of her Cindy Rice is 60 months. However, the expiry...
Arts, 30.07.2019 11:30
Biology, 30.07.2019 11:30
History, 30.07.2019 11:30
History, 30.07.2019 11:30
History, 30.07.2019 11:30
Mathematics, 30.07.2019 11:30
History, 30.07.2019 11:30
Physics, 30.07.2019 11:30