Question

a die thrown once. Find the probability of getting. (a) a odd number. (b) a number lying between 2and6. (c) a prime number. (d) an even number.

Answer 1

Answer:

SOLUTION

Possible numbers of events on throwing a dice = 6

Numbers on dice = 1,2,3,4,5 and 6 

(i) Prime numbers = 2, 3 and 5

Favourable number of events = 3

Probability that it will be a prime number = 3/6 = 1/2

(ii) Numbers lying between 2 and 6 = 3, 4 and 5

Favourable number of events = 3

Probability that a number between 2 and 6 = 3/6 = 1/2

(iii) Odd numbers = 1, 3 and 5

Favourable number of events = 3

Probability that it will be an odd number = 3/6 = 1/2

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Step-by-step explanation: