Posted by **Ryan** on Sunday, October 27, 2013 at 7:57pm.

The weight of a bag of corn chips is normally distributed with a mean of 22

ounces and a standard deviation of 0.5 ounces.

-The probability that a bag of corn chips weighs more than 21 ounces is?

-The probability that a bag of corn chips weighs between 20.75 and 23.25

ounces is?

- Statistics -
**Kuai**, Sunday, October 27, 2013 at 8:55pm
z = (21-22)/.5

z = -2

1-.0062 = .9938

z = (20.75-22//.5

z = -2.5

z =( 23.25-22)/.5

z = 2.5

.9938-.0228 = .9710

- Statistics -
**Kuai**, Sunday, October 27, 2013 at 8:59pm
Statistics - Kuai, Sunday, October 27, 2013 at 8:55pm

z = (21-22)/.5

z = -2

1-.0228 = .9710

z = (20.75-22//.5

z = -2.5

z =( 23.25-22)/.5

z = 2.5

.9938-.0062= .9876

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