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Question -

A die is thrownonce. Find the probability of getting




Answer -

(i) a prime number;

(ii) a number lying between 2 and 6;

(iii) an odd number.


Solution:

Total possible events when a dice is thrown =6 (1, 2, 3, 4, 5, and 6)

P(E) = (Number of favourable outcomes/ Totalnumber of outcomes)

(i)┬аTotal number of prime numbers = 3 (2, 3 and 5)

P (getting a prime number) = 3/6 = ┬╜ = 0.5

(ii)┬аTotal numbers lying between 2 and 6 = 3 (3, 4 and 5)

P (getting a number between 2 and 6) = 3/6 = ┬╜= 0.5

(iii)┬аTotal number of odd numbers = 3 (1, 3 and 5)

P (getting an odd number) = 3/6 = ┬╜ = 0.5

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