SOLUTION: Hi, I need help on the following stats problem... Thanks in advance. A computer store has 50 printers of which 40 are laser printers and 10 are ink jet printers. If a group of 10

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Question 51705: Hi, I need help on the following stats problem... Thanks in advance.
A computer store has 50 printers of which 40 are laser printers and 10 are ink jet printers. If a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet printers.
Mean=2 Variance= 3
Did I do this correctly?

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Let me know if you still need help with this problem.
Cheers,
Stan H.

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