The probability that a certain type of computer will have a defective part is 0.

Question

The probability that a certain type of computer will have a defective part is 0.33. An online computer store 5 such computers. What is the probability that at least one of them will have a defective pat? Write only a number as your answer. Round yew answer to four decimal places (for example: 0.7319). Do not as a percentage. An investor is considering an investment in a start up company. She estimates that she has probability 0.25 of a exist39.299 probability 0.20 of a exist19, 142 profit, probability 0.15 of a exist46, 639 profit, and probability 0.40 of even (a profit of exist0). What is the expected value of the profit? Write only a number as your answer. Round to the nearest whole number.

Explanation / Answer

Solution:-

15) The probability that atleast one of them will have a defective part is 0.8649.

P(D) = 0.33

n = 5

By applying binomial distribution:-

P(x, n, p) = nCx*p x *(1 - p)(n - x)

P( x > 1) = 1 - P(x = 0)

P( x > 1) = 1 - 0.13501

P( x > 1) = 0.8649

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