The probability that a screw manufactured by a company is defective is 0.1.the company sells screws in packets containing 5 screws in the packet are found to be defective. the probability that a packet would have to be replaced is
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Answer:
Step-by-step explanation:
Consider binomial expansion
p=0.1,n=5
P(one or more screws defective)=1 - P(no screws defective)
= 1 - (5Co(0.9)^5 (0.1)^0)
= 1-0.59049
=0.40951
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