A building is occupied by n companies. The number of people employed by these companies is denoted
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A building is occupied by n companies. The number of people employed by these companies is denoted by x. Find the mean number of employees, given that Σx2 = 8900, Σx = 220 and that the standard deviation of x is 18.
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
Question Posted:
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