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Question

What is the probability of getting at least 1 when a die is thrown twice.

A
1136
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B
2536
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C
1536
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D
1336
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Solution

The correct option is B 1136
Given: Two dice thrown
To find the probability of getting at least 1
Two dice thrown, so n(S)=6×6=36
Favourable outcomes of getting atleast 1 is
{(1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(3,1),(4,1),(5,1),(6,1)}
n(E)=11
Hence, the probability of getting at least 1 is n(E)n(S)=1136

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