In a single throw of three dice determine the probability of getting (i) a total of 5 (ii) a total of atmost 5 (iii) a total of atleast 5

  A committee of 4 students is selected at random from a group consisting of 8 boys and 4 girls. Given that there is atleast one girl in committee, calculate the prob. That there are exactly 2 girls in the committee.

  If P(A)=5/7 , P(B)=3/7 and P (AUB)=6/7 then find (i) P (𝑨⋂𝑩)and (ii) P (B/A)

  in a school, there are 1000 students, out of which 430 are girls, it is known that out of 430, 10% of girls study in class XII what is prob that a student choosen randomly studies in class XII, Given that choosen student is a girl?

  A dice is thrown three times, Events A and B are defined as below: A:- 4 on the third throw B:- 6 on the first and 5 on the second throw Find the prob of A given that B already occurred.

  A Dice is thrown twice and sum of the numbers appearing is obtained to be 6. What is the conditional probability that the no. 4 has appeared at least once?

  Given that two numbers app. on throwing two dice are diff. Find the prob of the event “the sum of numbers on dice is 4.

  An instructor has a question bank of 300 easy T/F questions 200 difficult T/F questions, 500 easy MCQ and 400 diffi MCQ. If a question is selected at random from the question bank, what is the prob. That it will be an easy question given that it is MCQ.

  If P(A) =1/2 P(B)=0, then P(A/B)=

  A and B are events S.t P(A/B)=P(B/A) then