I'm trying to do this problem, but I have no idea how to even start it:
1 answer:
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Answer:
4
Step-by-step explanation:
Given :
5c+cd where, and d=15
Now,
5×
=1+3
=4
Answer is 4
Answer:
The required probability is, 0.78
Step-by-step explanation:
There are, (52 - 13) = 39 cards which are not spade
5 cards can be chosen from the deck of 52 cards in
ways
and out of these 5 choices, none of them will be spade in,
ways
So,
P(None of the chosen cards is spade)
=
Hence,
P(out of these 5 choices, at least one card is spade)
= 0.78