Q 45 in a group of 7 friends, what is the probability that any three of them were born on the same day of the week?
Ops: A O 1225/75
B. O 540/75
O 2160/75
D.
O 1800/75
C.
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Answer:
3/7
Step-by-step explanation:
the number of friends is 7
the number of twins born in same day of the week is 3
probability of of any three of them born on same day of the week is 3/7
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