Question 878508
# 1


30 C 4 is the number of ways to pick 4 people from a pool of 30 (17 + 13 = 30)


There are 13 boys, so there are 13 C 4 ways to pick 4 boys only


The probability is (13 C 4)/(30 C 4)


You can leave it like that or evaluate that with a calculator.


================================================================================

# 2


I'll do the first part to get you started


There are 52 C 6 ways to select 6 cards


There are 12 C 6 ways to have all 6 face cards (3 faces J,Q,K and 4 suits: 3*4 = 12 face cards total)


<font color="blue">
What is the Probability that all six cards are face cards?
</font>
<font color="red">(12 C 6)/(52 C 6)</font>


again you can leave that as is or use a calculator to evaluate

--------------------------------------------------------


I'll let you finish up the rest of #2