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Please help solve the standard deviation question.

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Please help solve the standard deviation question.
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I Question Help
Consider the table, showing the official mean weight and estimated standard deviation for five U.S. coins. Suppose a vending machine is designed to reject all coins
with weights more than 2 standard deviations above or below the mean.
T Click the icon to view the table,
For each coin, find the range of weights that are acceptable to the vending machine, Complete the table below.
Coin
Range of weight (grams)
Cent
Data Table
– X
Nickol
Dime
Quarter
Half dollar
Coin
Weight (grams) Estimated standard deviation
(Round to three decimal places as needed)
[grams)
Cont
2 500
0.09
Nickel
5 000
0.06
Dimo
2.268
0 06
Quarter
5.670
0.07
Half dollar
11 340
0.12
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