SOLUTION: A company ships computer components in boxes that contain 30 items. Assume that the probability of a defective computer component is 0.2. Use the geometric variance to find the var

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Question 73015This question is from textbook Elementary Statistics
: A company ships computer components in boxes that contain 30 items. Assume that the probability of a defective computer component is 0.2. Use the geometric variance to find the variance of the defective parts. This question is from textbook Elementary Statistics

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A company ships computer components in boxes that contain 30 items. Assume that the probability of a defective computer component is 0.2. Use the geometric variance to find the variance of the defective parts.
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The probability distribution is binomial because each item is either
defective or not.
variance = sqrt(0.2*0.8*30)=2.19
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Cheers,
Stan H.