Question 451731: A large ceramic piggy bank has 102 coins in it: 75 pennies, 8 nickels, 12 dimes, and 7 quarters. It is equally likely that any one of the 102 coins will fall out when the piggy bank is turned upside down and shaken. What is the probability that the coin shaken out will either be a penny or a dime?
A. 0.92 B. 0.07 C. 0.70 D. 0.85 E. None of the above
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A large ceramic piggy bank has 102 coins in it: 75 pennies, 8 nickels, 12 dimes, and 7 quarters. It is equally likely that any one of the 102 coins will fall out when the piggy bank is turned upside down and shaken. What is the probability that the coin shaken out will either be a penny or a dime?
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Ans: P(penny or dime) = P(penny) + P(dime)
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= 75/102 + 12/102
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= 87/102
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= 0.8529
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Cheers,
Stan H.
A. 0.92 B. 0.07 C. 0.70 D. 0.85 E. None of the above
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