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OpenStudy (anonymous):

a single card is drawn from a standard 52-card deck. The probability the card is red or a face card is

OpenStudy (anonymous):

looking for help!

OpenStudy (anonymous):

how many red cards are there in a standard deck of 52-card ?

OpenStudy (anonymous):

ya

OpenStudy (anonymous):

how many red card?

OpenStudy (anonymous):

you need to answer his question... he's trying to help u...

OpenStudy (anonymous):

13 i think

OpenStudy (anonymous):

sorry about that

OpenStudy (anonymous):

Nope...

OpenStudy (anonymous):

well at least u need to know number of red cards while doing probability

OpenStudy (anonymous):

13 red card

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

diamonds and hearts are both red cards

OpenStudy (anonymous):

sorry 26

OpenStudy (anonymous):

good

OpenStudy (anonymous):

so, how many face cards ?

OpenStudy (anonymous):

16

OpenStudy (anonymous):

or 12

OpenStudy (anonymous):

it is 12

OpenStudy (anonymous):

Now, how many red and face cards ?

OpenStudy (anonymous):

38

OpenStudy (anonymous):

there are 6 red and face card

OpenStudy (anonymous):

So, P( red or face card) = ( no. of red cards + no. of face cards - no. of red and face cards)/ 52

OpenStudy (anonymous):

now, can u?

OpenStudy (anonymous):

6/52

OpenStudy (anonymous):

3/13

OpenStudy (anonymous):

(26+12-6)/52 = 32/52

OpenStudy (anonymous):

thnx so much for helping me !

OpenStudy (anonymous):

welcome

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