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Mathematics 21 Online
OpenStudy (anonymous):

You are dealt one card from a deck. Find the probability that you are not dealt a 2

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

2/52

OpenStudy (skullpatrol):

How many cards in a deck are not a 2?

OpenStudy (anonymous):

1/13

OpenStudy (skullpatrol):

How many cards are in a deck of cards?

OpenStudy (anonymous):

52

OpenStudy (skullpatrol):

Correct.

OpenStudy (skullpatrol):

You are asked to " Find the probability that you are not dealt a 2"

OpenStudy (anonymous):

correct

OpenStudy (skullpatrol):

How many cards in a deck are not a 2?

OpenStudy (anonymous):

44

OpenStudy (skullpatrol):

How many 2's are in a deck?

OpenStudy (anonymous):

8 I have no idea I have never played cards

OpenStudy (skullpatrol):

There are 4 2's

OpenStudy (skullpatrol):

So, 52 - 4 = number of cards that are not 2's.

OpenStudy (anonymous):

48

OpenStudy (skullpatrol):

Correct :)

OpenStudy (anonymous):

so the answer is 48/52

OpenStudy (skullpatrol):

Yes.

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