defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Probability Probability of Complementary Event
Let A and B be two independent events such that
P(A̅) = 0.7, P(B̅) = k, P(A ∪ B) = 0.8, what is the value of k ?
1
\(\frac{5}{7}\)
2
\(\frac{4}{7}\)
3
\(\frac{2}{7}\)
4
\(\frac{1}{7}\)