mkleinert3248 mkleinert3248
  • 01-07-2017
  • Mathematics
contestada

A bag of coins contain 2 quarters, 3 dimes and 4 pennies probability drawing a dime and then quarter without replacements

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texaschic101
texaschic101 texaschic101
  • 01-07-2017
2 quarters, 3 dimes, 4 pennies...total of 9 coins

probability of first drawing a dime = 3/9 reduces to 1/3
without replacement (means u have only 8 coins now)
probability of then drawing a quarter = 2/8 reduces to 1/4

probability of both : 1/3 * 1/4 = 1/12 or 8.3%
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