CPM Homework Help : A2C Problem 10-95

Hint (a):

$_{n}C_{r}=\frac{n!}{r!(n-r!)}$

Hint (b):

How many ways are there to select two cards from the set of ten-valued cards?

More Help (b):

Divide this number by the total number of 2-card hands.

Answer (c):

$\frac{_{2}C_{1}6}{_{2}C_{5}2}$

Hint (d):

See part (b).

Hint (e):

See part (c).