Assume that the mean length of a human pregnancy is 269 days. If 95% of all human pregnancies last between 249 and 289 days, w
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Answer: or
.
Step-by-step explanation:
Given : A poker hand consisting of 9 cards is dealt from a standard deck of 52 cards.
The total number of cards in a deck 52
Number of faces cards in a deck = 12
Number of cards not face cards = 40
The total number of combinations of drawing 9 cards out of 52 cards =
Now , the combination of 9 cards such that exactly 6 of them are face cards =
Now , the probability that the hand contains exactly 6 face cards will be :-
Hence, the probability that the hand contains exactly 6 face cards. is .