Solution not provided.
Ans.
Arin has to visit at random three of his friends A, B and C over a week-end. What is the probability that he visits:
(a) B before C (b) B before C and C before A
(c) C first (d) A just before B
(e) A either first or last?
Solution not provided.
Ans. (a) (b)
(c) (d) (e)
A die is rolled thrice. What the probability of:
(a) not getting a six each time?
(b) getting the same number each time?
Solution not provided.
Ans. (a) (b)
Solution not provided.
Ans. (i) (ii) 0.50 (iii) 0.15