Question

A division of a company has over 200 employees, 40% percent of which are male. Each month, the company randomly selects 8 of these employees to have lunch with the CEO. What are the mean and standard deviation of the number of males selected each month? You may round your answers to the nearest tenth. mean: males standard deviation: males

          A division of a company has
over 200 employees, 40% percent of which
are male. Each month, the company randomly selects 8 of
these employees to have lunch with the CEO.
What are the mean and standard deviation of the number
of males selected each month?
You may round your answers to the nearest tenth.
mean:     males
standard deviation:      males
        
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Elementary Statistics a Step by Step Approach
Elementary Statistics a Step by Step Approach
Allan G. Bluman 9th Edition
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A division of a company has over 200 employees, 40% percent of which are male. Each month, the company randomly selects 8 of these employees to have lunch with the CEO. What are the mean and standard deviation of the number of males selected each month? You may round your answers to the nearest tenth. mean: males standard deviation: males
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Transcript

-
00:01 Hello students, let us do this question.
00:05 Total number of employees are 200, out of which male employees are 40%.
00:14 So, probability of selecting male employees.
00:17 10 employees are selected to have lunch with cu.
00:23 So n is equal to it.
00:25 Let us say x as a selected employee is male to have lunch with cu.
00:32 So, x follows binomial distribution with parameter n is equal to 8 and p equal to 0 .4.
00:46 The mean of the bina male distribution is mean is equal to in p...
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