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A bag contains ten balls numbered 1 to 10. If two balls are selected
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06 Nov 2024, 01:32
06 Nov 2024, 01:32
Expert Reply
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Question Stats:
75% (01:24) correct
25% (01:18) wrong based on 4 sessions
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A bag contains ten balls numbered 1 to 10. If two balls are selected from the bag with replacement, what is the probability that at least one of them is an even numbered ball?
A. 1/2
B. 1/3
C. 3/4
D. 3/5
E. 4/5
A. 1/2
B. 1/3
C. 3/4
D. 3/5
E. 4/5
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Re: A bag contains ten balls numbered 1 to 10. If two balls are selected
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06 Nov 2024, 08:29
06 Nov 2024, 08:29
1
Probability of > 1 even number = 1 - Probability of no even number
\(P = 1 - \frac{5}{10}*\frac{5}{10}= 3/4\)
=> C
Posted from my mobile device
\(P = 1 - \frac{5}{10}*\frac{5}{10}= 3/4\)
=> C
Posted from my mobile device
gmatclubot
Re: A bag contains ten balls numbered 1 to 10. If two balls are selected [#permalink]
06 Nov 2024, 08:29
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