ProbabilityHard
Question
A & B are two independent events such that P
= 0.7, P
= a & P(A ∪ B) = 0. 8, then a =
= 0.7, P = a & P(A ∪ B) = 0. 8, then a =Options
A.5/7
B.2/7
C.1
D.none
More Probability Questions
A 2n digit number starts with 2 and all its digits are prime, then the probability that the sum of all 2 consecutive dig...Two real numbers, x & y are selected at random. Given that 0 ≤ x ≤ 1 ; 0 ≤ y ≤ 1. Let A be the e...The probability of solving a problem by A and B are 1/4 and 2/3 respectively. If A and B work independently, then the pr...Let P (A) = 0.4 and P (B/A) = 0.5. The probability P () is equal to-...Three dice are thrown simultaneously. What is the probability of obtaining a total of 17 or 18-...