SOLUTION: a jar of peanut butter contains 455 g with a standard deviation of 10.2 g. find the probability that a jar contains more than 461 g. assume a normal distribution.

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Question 954965: a jar of peanut butter contains 455 g with a standard deviation of 10.2 g. find the probability that a jar contains more than 461 g. assume a normal distribution.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the z-score.
Z=%28x-mu%29%2Fsigma
Z=%28461-455%29%2F10.2
Z=0.5882
For that Z score,
P=0.7218
So the probability we're looking for is,
P=1-0.7218
P=0.2782