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It has been reported that 42% of college students graduate in 4 years. Consider a random sample of thirty students, and let the random variable X be the number who graduate in 4 years. Find the probability that 14 students in the sample of 30 graduate in 4 years.

 Aug 7, 2015

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 #1
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30C14 (0.42)14(0.58)16  =  0.127  (approximately)

 Aug 7, 2015
 #1
avatar+21577 
+5
Best Answer

30C14 (0.42)14(0.58)16  =  0.127  (approximately)

geno3141 Aug 7, 2015

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