SOLUTION: 83% of Factory workers use some sort of social media during their shifts. Find the mean, variance, and standard deviation of the number of factory workers who use social media, if

Question 1174863: 83% of Factory workers use some sort of social media during their shifts. Find the mean, variance, and standard deviation of the number of factory workers who use social media, if a sample of 200 factory workers is selected
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi

Binomial distribution:  n = 200 and p = .83	
mean = np = .83(200) = 166	
variance = npq= np(1-p) = 166(.83)(.17)	= 20.667
SD = sqrt variance = √21.675  = 4.546	
Round off as directed.
Wish You the Best in your Studies.

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