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sashaice [31]
3 years ago
15

the shelf life of fresh bread has a mean of 6 days with a standard deviation of 1/2 of a day. what percent of loaves at the bake

ry would be expected to spoil before 5 days?
Mathematics
1 answer:
Elena L [17]3 years ago
3 0
Since you're looking at 2 standard deviations from the mean, you follow the 66 95 rule which says 95 % of the data is within 2 standard deviations.  however you just need half of that since the other half is on the other side of the data meaning it last longer than 7 days.  So 2.5% is the answer.

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