# A manufacturer produces widgets that are packaged in boxes of 200. The probability of a widget being defective is 0.011. Find the mean and standard deviation for the number of defective widgets in a box.

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A manufacturer produces widgets that are packaged in boxes of 200. The probability of a widget being defective is 0.011. Find the mean and standard deviation for the number of defective widgets in a box.

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Step 1

It is given that the number of packaged widget boxes (n) is 200, and the probability, number of defective widgets (p) is 0.011.

Consider that X is a random variable defined as widgets that are packaged.

Thus,

Step 2

The mean of number of defective wid...

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