alleryIf P(A) = 0.4, find P(complement of A).
- 1.0
- 0.4
- 0.5
- 0.6
Show answer and solution
Correct answer: D. 0.6
1. P(A) + P(A') = 1.
2. P(A') = 1 − 0.4 = 0.6.
_Source: TSICET 2024 PYQ Q.105 (Shift 1, Probability)_
GMAT Probability — practice questions
Explore 4 free Probability questions in GMAT Mathematicalability. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–4 of 4.
If P(A) = 0.4, find P(complement of A).Read the answer and worked solution →Probability of drawing a king from a standard deck of 52 cards:Read the answer and worked solution →Probability of getting an even number on rolling a single die:Read the answer and worked solution →A bag has 3 red and 2 black balls. Probability of red ball drawn at random:Read the answer and worked solution →
Worked practice questions
Probability of drawing a king from a standard deck of 52 cards:
- 1/13
- 1/52
- 4/52
- 1/4
Show answer and solution
Correct answer: A. 1/13
1. There are 4 kings in 52 cards.
2. P = 4/52 = 1/13.
_Source: TSICET 2024 PYQ Q.121 (Shift 1, Probability)_
Probability of getting an even number on rolling a single die:
- 1/2
- 1/3
- 1/6
- 2/3
Show answer and solution
Correct answer: A. 1/2
1. Even outcomes: 2, 4, 6 → 3 cases.
2. P = 3/6 = 1/2.
_Source: TSICET 2024 PYQ Q.122 (Shift 1, Probability)_
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