Mathematics, 13.11.2020 16:50 MickeyAppleX
For a set of values, suppose the mean is 10 and the standard deviation is 2. If each value is multiplied by 9 and 10 is added, what will the new mean and standard deviation be?
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Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution
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Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s
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Mathematics, 21.06.2019 18:30
Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?
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For a set of values, suppose the mean is 10 and the standard deviation is 2. If each value is multip...
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