8

Set 3: Probability (Beginner)

Explanation

Answer: B

PROBLEM

The probability of rain tomorrow is 69%. What is the probability it will NOT rain?

The probability of rain tomorrow is 69%. What is the probability it will NOT rain?

A.

41%

B.

31%

✓ Correct
C.

69%

D.

59%

Detailed Explanation

Choice B is the best answer. P(not rain) = 100% - 69% = 31%

Why others are wrong:
A: 41% is incorrect because it does not satisfy the equation.
C: 69% is incorrect because it does not satisfy the equation.
D: 59% is incorrect because it does not satisfy the equation.