Math, asked by monjyotiboro, 1 month ago

what is the probability that at least two persons out of a group of 3 persons were born in the same month??



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Topic Probability .


Detailed solution please​

Answers

Answered by raksha8002
0

Let us assume that each month is equally likely as a birth month

There are

12

P

3

12P3 choices for the three distinct birthdays, taken in order.

And there are 12

3

123 choices for three birthdays altogether, taken in order.

P(all 3 different)=

12

3

12

P

3

=

1728

1320

=

72

55

P(at least 2 match)=1−

72

55

=

72

17

Hence, the answer is

72

17

.

Answered by anjaliyadav93
0

Step-by-step explanation:

Probability of at least two persons born in the same month = Number of possible outcomes/

Total outcomes

= 2/3

hope it helps

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