Asked by Fakaapo. Suetusi
A manufacturer makes mobile phone. The manufacturer employs are inspector to check the quality of its product. The inspector tested a random sample of the phone being defective as 0.049. Ashmita buys three of the phones made by the manufacturer. Find the probability that.
1) At least one of the mobile phone is defective.
2) Exactly one of the mobile phone is defective.
Thank you.
1) At least one of the mobile phone is defective.
2) Exactly one of the mobile phone is defective.
Thank you.
Answers
Answered by
Reiny
Prob(nogood) = .049
prob(good) = 1-.049 = .951
1) at least one defective--> 1 - all three are good
= 1 - .951^3 = .1399
2) exactly one nogood = C(3,1) (.049)(.951^2) = .1329
prob(good) = 1-.049 = .951
1) at least one defective--> 1 - all three are good
= 1 - .951^3 = .1399
2) exactly one nogood = C(3,1) (.049)(.951^2) = .1329
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