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kolezko [41]
3 years ago
14

Example of Order of operations

Mathematics
1 answer:
uysha [10]3 years ago
3 0
6/2(1+2)
= 6/2(3)
= 6/6
= 1
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The mean is 70 with standard deviation(SD) of 3 and you are asked to find out the percentage of staff that have <67(70-3 inch= mean - 1 SD) inch size, which means 1 SD below the mean (<-1 SD). Using 68-95-99.7 rule, you can know that 68% of the population is inside 1 SD range from the mean ( -1 SD to + 1 SD).

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