Two number cubes are rolled. What is the probability that the sum of the numbers rolled is either a 7 or an 11?
There are 6 ways to roll a 7, and 2 ways to roll an 11, out of a total of 36 possible rolls. So the chance of rolling a 7 or an 11 is 6/36 + 3/36 = 8/36 = 2/9
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A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of selecting a red marble, replacing it in the bag and then selecting a green marble?
Weegy: .35625 (More)
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Updated 7/14/2011 1:47:22 PM
If you replace the marble inside the bag, then the total number of marbles remains the same. (2/10) * (5/10) ==> 10/100
A number cube is rolled and a coin is tossed. What is the probability of the coin landing on tails and rolling a six on the number cube?
Weegy: 8.33 percent since theres 12 possble outcomes (More)
Question
A bag contains 3 red marbles, 2 blue marbles and 5 green marbles. What is the probability of selecting a blue marble, replacing it in the bag and then selecting a green marble?
Weegy: .35625 (More)
Question
Updated 7/14/2011 1:46:58 PM
If you replace the marble inside the bag, then the total number of marbles remains the same. (2/10) * (5/10) ==> 10/100
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