SOLUTION: About 6% of the bolts produced by a certain machine are defective. Find the probabilities that in a sample of 100 bolts, the following are defective. a. 3 or fewer b. Exactly 1

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Question 871130: About 6% of the bolts produced by a certain machine are defective. Find the probabilities that in a sample of 100 bolts, the following are defective.
a. 3 or fewer
b. Exactly 11

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
p(def) = .06, n = 100
P(x ≤ 3) = 1- binomcdf(100, .06, 2)= .1430
P(x = 11)= 100C11(.06)^11(.94)^89 0r binompdf(100, .06, 11) = .0209
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