Hello, 3deltat!

Choosing 2 captains from 10 players, there are: / possible choices.1) A basketball team of 10 players - 4 guards, 3 forwards, 3 centers -

is electing two captains.

Find the probability that a guard and a center will be elected.

There are 4 choices for a guard and 3 choices for a center: . choices.

Therefore: .

2) There are 18 juniors and 10 seniors in a class.

If 6 of the seniors are males and 12 of the juniors are females,

find the probability of selecting a senior or a male.

Your formula was correct:

. .

But the values are: .

There are: . possible 3-card hands.3) Find the probability that three cards drawn from a deck

without replacement contain at least two hearts

To get exactly three hearts, there are: . ways.

To get exactly two hearts, there are: . ways.

Hence, there are: . ways to get at least two hearts.

Therefore: .

4) How many ways can a jury of 6 men and 6 women be selected from 12 men and 12 women?

I had: .

but I'm guessing it should have been: . , correct? .Right!