### Determine what is the probability that all four have defect

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##### Reference no: EM13309343

If the defect rate for the flash drivers is 0.5% and you randomly select four of them for inspection:

a) What is the probability that none of them has a defect?

b) What is the probability that all four have a defect?

c) What is the probability that the first one you select has a defect?

d) What is the probability that either one of four you select has a defect?

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