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Mathematics 20 Online
OpenStudy (anonymous):

Jack picked a card from a standard deck. What is the probability that Jack picked a diamond or a queen?

OpenStudy (anonymous):

do you know how many diamonds are in a deck and how many queens?

OpenStudy (anonymous):

13 diamonds and 4 queens?

OpenStudy (anonymous):

yes. and there are 52 cards in one deck. so 13 out of 52 are diamonds. so there is a 13/52 chance that Jack picks a diamond.

OpenStudy (anonymous):

same for the queens

OpenStudy (anonymous):

But remember one of those queens is also a diamond, so don't count it twice

OpenStudy (anonymous):

My choices- A. 1/26 B. 1/52 C. 13/52 D. 16/52

OpenStudy (anonymous):

So it would be D?

OpenStudy (anonymous):

adding 13 diamonds and 3 queens=

OpenStudy (anonymous):

16/52

OpenStudy (anonymous):

oh or a queen. I read the question wrong. Yeah that right

OpenStudy (anonymous):

Trust yourself

OpenStudy (anonymous):

Thank you!

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