7

Set 5: Probability (Beginner)

Explanation

Answer: B

PROBLEM

The probability of rain tomorrow is 71%. What is the probability it will NOT rain?

The probability of rain tomorrow is 71%. What is the probability it will NOT rain?

A.

71%

B.

29%

✓ Correct
C.

39%

D.

61%

Detailed Explanation

Choice B is the best answer. P(not rain) = 100% - 71% = 29%

Why others are wrong:
A: 71% is incorrect because it does not satisfy the equation.
C: 39% is incorrect because it does not satisfy the equation.
D: 61% is incorrect because it does not satisfy the equation.