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On average, out of 1,400 garden pumps on sale, 7 leak. Find the probability that one randomly selected pump for monitoring does not leak.

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answers: 1
Expert:

On average, out of 1400 garden pumps on sale, 1400 − 7 = 1393 do not leak. This means that the probability that one randomly selected pump for monitoring does not leak is equal to

1393/1400 =0.995.

Answer: 0.995.

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