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2 cards are drawn at random (with replacement) from six cards numbered
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13 Sep 2021, 22:12
13 Sep 2021, 22:12
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Question Stats:
67% (01:19) correct
32% (01:26) wrong based on 40 sessions
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2 cards are drawn at random (with replacement) from six cards numbered from 1 to 6 such that the sum of the numbers on the cards is 6.
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Quantity A |
Quantity B |
Probability that one of the two cards drawn is numbered 3 |
\(\frac{1}{3}\) |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Re: 2 cards are drawn at random (with replacement) from six cards numbered
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14 Sep 2021, 11:25
14 Sep 2021, 11:25
2
Sample space = {(1,5),(2,4),(3,3),(4,2),(5,1)}
and favourable outcome is (3,3)
So P = 1/5
Answer is B)
and favourable outcome is (3,3)
So P = 1/5
Answer is B)
Re: 2 cards are drawn at random (with replacement) from six cards numbered
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25 Oct 2023, 14:11
25 Oct 2023, 14:11
eskay1981 wrote:
Sample space = {(1,5),(2,4),(3,3),(4,2),(5,1)}
and favourable outcome is (3,3)
So P = 1/5
Answer is B)
and favourable outcome is (3,3)
So P = 1/5
Answer is B)
Sir, why is the sample space only 5? The question asks that p(1 card is 3) = 1/6 * 1/6 (since this is the only valid pair)
