Mathematics · Probability
If the probability that a person is not a swimmer is 0.3, then the expression representing the probability that out of 5 randomly selected persons, exactly 4 are swimmers is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15C1 (0.7) (0.3)4
- 25C4 (0.3)4 (0.7)
- 3(0.7)4 (0.3)
- 45C4 (0.7)4 (0.3)✓
Correct answer
5C4 (0.7)4 (0.3)
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