Question

a dice is thrown,calculate the probability of getting (a)odd number (b) even number (c) prime number (d) a number which is not a prime

Answer 1

the sample space is the set {1,2,3,4,5,6}
- the total number of possible outcomes

so, for example the Probability of getting a 2 P (2) is 1 / 6
probability of an odd number ( i e 1,3 or 5) = 3/6 or 1/2

Answer 2

following the above you should now be able to answer your 3 questions