A student argues that there are 11 possible outcomes (sum of numbers on both dice) 2,3,4,5,6,7,8,9,10,11 and 12 when we throws two dice simultaneously. Therefore each of them has a probability 111. Do you agree with this argument? Justify your answer.
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Solution
Event:Sum of two dice
2
3
4
5
6
7
8
9
10
11
12
Probability
136
236=118
336=112
436=19
536
636=16
536
436=19
336=112
236=118
136
Total number of outcomes=36
It can be seen that each term does not have a probability of 111