Post a New Question

Please can help me solving my problems(Probality)

posted by .

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.

  • Please can help me solving my problems(Probality) -

    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

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question