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nestergurl101
17.07.2019 •
Mathematics
7cards are drawn simultaneously from a standard deck of 52 cards.what is the probability that at least 6 of cards drawn are red?
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Ответ:
Step-by-step explanation:
Total cards drawn = 7
total cards on deck = 52
Total possibility from 52 cards =
= 133784560
Note : in a standard card deck (52) there are : 13 spades, 13 clubs, 13 hearts and 13 diamonds and they contain king,queen, jack and ace , 2,3,4,5,6,7,8,9 and 10
Note : there are only two colors ( red and black ) : spades and clubs are black while hearts and diamonds are red
probability that at least out of 7 cards drawn 6 cards are red
P ( red ≥ 6 ) = ( 6 red , 1 black ) , ( 7 red , 0 black )
= 26c
* 26c
+ 26c
* 26c
probability =![\frac{(26c6*26c1)+(26c7*26c0)}{52c7}](/tpl/images/0100/4609/0048f.png)
Ответ:
I love your dog!
Step-by-step explanation:
he/ or she is so adorably cut