ProbabilityMedium
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 pair of dice is thrown. If the two numbers appearing on them are different, the probability that the sum is 6, is-...In drawing of a card from a well shuffled ordinary deck of playing cards the events ′card drawn is spade′ an...The probability of coming up an even (odd) number in the throw of a die is-...Three numbers are chosen at random without replacement from {1, 2, 3, .....10}. The probability that the minimum of the ...In an examination of 100 students 70 students failed in maths, 75 in Physics, 80 in Chemistry and 85 in English. If a st...