Math

Managers of a local shopping mall selected a random sample of shoppers and recorded the gender of each. Here are their results.
Gender Number of People
Male
69
Female
106
Based on this sample, how many of the next
2000
shoppers would we predict to be female? Round your answer to the nearest whole number. Do not round any intermediate calculations.

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  1. 106/(69+106) * 2000 = ?

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  2. a sampling of 64 students appearing in an examination yield the error as 5 with standard deviation of 4.find the risk

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