Question

A dice is rolled once. What is the probability that the number on top will be
(a)
a factor of 36
(b) A composite number
(c) An even number​

Answer 1

Answer: (a) 5/6

(b) 1/3

(c) 1/2

Step-by-step explanation:

Probability of the occurrence of any event E [P(E)]= Number of favourable outcome/s÷ Total number of outcomes.

(a) 1,2,3,4,6 are all factors of 36

Therefore, P(E)=5/6

(b) 4,6 are composite numbers

Therefore, P(E)=2/6=1/3

[NOTE 1 ( one) is a unique number,i.e., neither prime nor composition.]

(c) 2,4,6 are even numbers

Therefore, P(E)=3/6=1/2

So, those are the required answers.

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