SOLUTION: The probability of a table-tennis ball being defective is 1/10. About how many balls would be defective in a case of 725 table-tennis balls
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Question 286607: The probability of a table-tennis ball being defective is 1/10. About how many balls would be defective in a case of 725 table-tennis balls
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The probability of a table-tennis ball being defective is 1/10. About how many balls would be defective in a case of 725 table-tennis balls
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average # = np = 725(1/10) = 72.5
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Cheers,
Stan H.
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