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- Apr 7th 2006, 09:52 PM #1

- Joined
- Mar 2006
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## mean --Please help

A company is having problems with a machine producing computer chips. The probability of getting a defective chip is .35. A sample of 4 chips is randomly selected.

a) Create a probability distriubiton for the number of possible defective chips in the sample

b) Find the mean.

c) Find the standard deviation.

Thank you in advance, greatly appreciated.