Asked by tremain

A camera store sells 40 pairs of binoculars per week on average with a standard deviation of 6. What is the probability that the store will sell more than 52 pairs binoculars in any week?

8.28
3.57
7.24
2.28
4.55
Answered by Anonymous
oops - all those "probabilities" are > 1

is there a mistake in the question?
Answered by tremain
no all the answer choices are percentages
Answered by Anonymous
52 is 2 std from 40, so 2.28%
Answered by miley
thank you
Answered by Anonymous
A camera store sells 40 pairs of binoculars per week on average with a standard deviation of 6. What is the probability that the store will sell more than 52 pairs binoculars in any week?
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