Kayla B.
asked • 02/21/13Tiles numbered 1 through 20 are placed in a box. Tiles numbered 11 through 30 are placed in a second box. One tile is randomly drawn from each box. Find each probability.
The first tile is odd and the second tile is less than 25.
Nataliya D. answered • 02/21/13
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1. Possible chances: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19;
Probability is 10/20 = 1/2
2. Possible events: 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11;
Probability is 14/20 = 7/10
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