Given that X and Y are independent events such that P(X) = 0.5, P(Y) =
FURTHER MATHEMATICS
WAEC 2019
Given that X and Y are independent events such that P(X) = 0.5, P(Y) = m and P(X U Y) = 0.75, find the value of m.
- A. 0.6
- B. 0.5
- C. 0.4
- D. 0.3
Correct Answer: D. 0.3
Explanation
P(X \(\cup\) Y) = P(X)P(Y)
0.15 = 0.5m
m = \(\frac{0.015}{0.5}\)
= 0.3
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *