Question

Using the letters R, S, and T, find how many different two-letter combinations you can create

Using the letters in the word INDIVIDUALITY, find the number of combinations that can be formed using 3 letters at a time.

The local stationary store carries nine colors of notebooks. Marnie wants to buy a different colored notebook for each of her classes. So, she needs six different colored notebooks. How many combinations of notebooks can Marnie choose from?

Answer 1

There are six television shows coming on this week that Gabe wants to watch. They all come on at different times, but his mom will only let him watch four shows a week. Otherwise, he won’t have any time to do his homework!
How many different combinations of shows can Gabe choose to watch?

Answer 2

In a cooler, there are 9 grape juice boxes, a 6-pack of soda, 3 cans of iced tea, and 3 cans of fruit punch. If you choose a drink at random, what is the probability that you will not choose a can of fruit punch?

Answer 3

Two cards are drawn from a deck of fifteen cards numbered 1 through 15. Once a card is selected, it is not replaced. What is the probability of drawing three odd numbers in a row?

Answer 4

You randomly choose an integer between 1 and 25. What is the probability that the integer is less than 10?

Answer 5

A bowl contains fifteen marbles. There are eight blue marbles and seven red marbles. If you randomly grab one marble from the bowl, is there a greater probability of grabbing a blue marble or a red marble?

Answer 6

A hat contains nine pieces of paper. Each piece of paper contains the name of a child. There are five boys’ names and four girls’ names. If you randomly draw a name from the hat, what is the probability of drawing a boy’s name

Answer 7

Each letter in the word "MATHEMATICS" is written on a separate piece of paper and put in a basket. If a piece of paper is randomly selected from the basket, what is the probability that a vowel is NOT selected?

Answer 8

Six people enter a race. If there are no ties, in how many ways can the first three places come out?

Answer 9

You conduct an experiment where you roll a die and record the results. You roll the die 1230 times and the results are shown in the table below:


1 -245
2 -172
3 -219
4 -201
5 -137
6 -256

What is the experimental probability of rolling a "1" on your next roll?