Question: 1. Although cable modems are tested before they are placed in the installer's truck, the installer knows that 30 percent of them won't work properly.

1. Although cable modems are tested before they are placed in the installer's truck, the installer knows that 30 percent of them won't work properly. The driver must install nine modems today in a large apartment building. Ten modems are placed in the truck. What is the probability that the driver will have enough working modems? (Round your answer to 4 decimal places.)

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PDF P(X = x)= n! x!(n-x)! n-x -

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Lets solve this problem using the binomial probability formula Let X be the number of working modems ... View full answer

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