Question

Suppose it is known that 3 out of 60 batteries shipped to an auto parts store...

Suppose it is known that 3 out of 60 batteries shipped to an auto parts store are defective. A fleet manager then buys 8 of the batteries from the store. What is the probability that at least 2 of the batteries purchased by the fleet manager are defective?

a) 0.0425

b) 0.0409

c) 0.0442

d) 0.0587

e) 0.0608

f) None of the above.

Math   Advanced-Math   
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Answer #1

If you have any doubts in the solution please ask me in comments....here i used basic properties of combination and probablity

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