Probability Practice Test 1

Question : 30 of 40

Marks: +1, -0

The probability of obtaining a sum of 6 onrolling two un-biased dices is:

$1/36$
$5/36$
$6/36$
$3/36$

Solution:

Probability that obtaining a sum of 6 on rolling two un-biased dices is (1, 5), (2, 4), (3, 3), (4, 2), (5, 1)
Total number of outcomes = 36
Total number of favourable outcomes = 5
P(E)

=5/36

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