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26.02.2021 •
Mathematics
We have 6 face red cards (JQK x 2) and 16 black cards, so a total of 22 cards.The red face cards and the black cards numbered 2-9 are put into a bag. Four cardsare drawn at random without replacement. Find the following probabilities:
a) All 4 cards are red
b) 2 cards are red and two cards are black
c) At least one of the red cards is red.
d) All four cards are black
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Ответ:
I dont know
Step-by-step explanation:
only doing it for points
Ответ:
1) vertical-Line test
2)y=x
3)x
4)domain
Step-by-step explanation: