(adsbygoogle = window.adsbygoogle || []).push({}); Help With Probability Question

i have been working on this for a week can anyone help?

NOTE: Look at reply from moodoo for proper matematical symbols!!

I need the probability of being dealt a bridge hand with at least 5 hearts.

I have to possible answers but I have never done this before and dont know the proper way to type them but here goes...

1.)

summation sign with 13 on the top and k=5 on bottom x (C 13,k)(C 13,13-K)/C 52,13

2)same summation as above x C 13,k (.25)to the power of k(.75)to the power of 13-k/C 52,13

HELP WITH PROBABILITY QUESTION

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# Using summation with probability question

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