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andriy [413]
3 years ago
12

there are two boxes. in the first box there are 7 cards numbered from 1 tp 7 the second box also contains 7 cards from 1-7 pick

one card from each box. find the probability that the sum of the two two cards is at least 12
Mathematics
1 answer:
mrs_skeptik [129]3 years ago
8 0

Answer:

\frac{6}{49}

Step-by-step explanation:

GIVEN: There are two boxes. in the first box there are 7 cards numbered from 1 to 7 the second box also contains 7 cards from 1-7 pick one card from each box.

TO FIND: probability that the sum of the two two cards is at least 12.

SOLUTION:

sample case such that sum of cards is 12 : (5,7),(7,5),(6,6)

sample case such that sum of cards is 13 : (7,6),(6,7)

sample case such that sum of cards is 14 : (7,7)

Total sample case such that sum is atleast 12 =6

Total sample cases=49

probability that the sum of the two two cards is at least 12=\frac{\text{sample case in which sum is atleast 12}}{\text{total sample cases}}

=\frac{6}{49}

probability that the sum of the two two cards is at least 12 is \frac{6}{49}

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Check out the Uploads!!!




Hope that helps!!!!                        : )

Download pdf
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> pdf </span>
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