What is the probability that from the random sample

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A secondhand computer dealer guarantees that he will repair, ?eeof-charge, any computer that proves to be defective within one year of purchase. Past expen'ence suggests that 8% of computers have to be repaired under guarantee. If there is a sample of 2t] computers;

i) What is the probability that from the random sample, none required to be repaired under guarantee?

ii) What is the probability that from the random sample, one required to be repaired under guarantee?

iii) Calculate the expected number of computers that have to be repaired under guarantee.

Reference no: EM132851640

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