SOLUTION: A Department of justice survey found that 20% of all the prison paroless become repeat offenders within 5 years of being released. Find the probability of random sample of 200 pris

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Question 1178275: A Department of justice survey found that 20% of all the prison paroless become repeat offenders within 5 years of being released. Find the probability of random sample of 200 prison paroless , less than 30 will become repeat offenders , within 5 years of being released.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
Binomial Distribution:  p(repeat) = .20 
Sample :  30/200 = .15 
P(x<30)
 
 = -.470
P( z ≤ -.470) = .3192

Wish You the Best in your Studies.


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