Homework Help: statistics

Posted by sonney32 on Thursday, April 21, 2011 at 10:08pm.

Assuming a standard deck of 52 playing cards. Calculate the the probability.

Draw one card thatis a queen and a heart.

is it 4/52 + 13/52 - 1/52 = 16/52 or 4/13
is this right??

Draw one card that is a queen or a heart

4/52 +13/52 - 2/52 =15/52

not sure if I have the right or wrong answer on these two, please help
Thanks

statistics - PsyDAG, Friday, April 22, 2011 at 3:44pm
If one card is a queen and a heart, it is the queen of hearts. 1/52

Since the probability of Queen of hearts is 1/52

4/52 + 13/52 - 1/52 = 16/52

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