Question

A bag of 33 tulips contains 13 red tulip bulbs, 11 yellow tulip bulbs and 9 purple tulip bulbs. What is the probability that two randomly selected tulip bulbs are both red?

Answer 1

If you have a bag of 33 tulips and you randomly choose 2 from the bag ...

Explanation:

There are `(33!)/(2!xx31!)` ways to choose two bulbs regardless of color . This is your sample space `= 538` combinations.

Now, the event in this problem is choosing two red tulips . There are `(13!)/(2!xx11!)=78` combinations of choosing only red tulips.

`P("2 red")=78/538=13/88~~0.1477`

hope that helped