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Seventy percent of the students applying to a university are accepted. what is the probability that among the next 18 applicants. 

Compute the standard deviation.

Please, use 4 decimal places for the answer.

 Apr 8, 2020
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The formula for the mean of a binomial distribution is:  sqrt( n · p · q )

 

For this problem:     n  =  18          p  =  0.70          q  =  1.00 - 0.70  =  0.30

 

Stamdard Deviation  =  sqrt( 18 · 0.70 · 0.30 )  =                         (calculator time)

 Apr 8, 2020

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