Simple Probability: Two dice are each weighted such that...

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rakrak1998

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This is a 30-second calculation question. Two dice are each weighted such that a 6 will come up 50%of the time and the other five numbers will come up 10% of the time each. What is the probability that aroll of these two dice will sum to at least 11?

I am not sure how i should even approach the problem.

The possibilities are:
5 and 6
6 and 5
6 and 6

I am stuck
 
rakrak1998 said:
This is a 30-second calculation question. Two dice are each weighted such that a 6 will come up 50%of the time and the other five numbers will come up 10% of the time each. What is the probability that aroll of these two dice will sum to at least 11?

I am not sure how i should even approach the problem.

The possibilities are:
5 and 6
6 and 5
6 and 6

I am stuck
Click to expand...

Just like any other dice question!

What is the probability of getting 11 or more in an unbiased die?

[1/6 * 1/6] + [1/6 * 1/6] + [1/6 * 1/6] = 1/12

Calculate in a similar way.....
 
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