1.
A bag contains 4 blue marbles, 6 red marbles, 10 yellow marbles and 6 green marbles. What is the probability of not drawing a red marble?
2.
Use the diagram below to determine if the following statement is true or false.
The probability of someone liking neither horses nor cows is 4/25.
3.
Determine the probability of spinning a green on the following spinner:
4.
There are 20 marbles in a bag, 4 blue, 4 green, 4 red, 4 white and 4 black. Remember that all fraction answers should be given in the simplest form.
What is the probability of drawing a blue marble?
5.
There are 20 marbles in a bag, 4 blue, 4 green, 4 red, 4 white and 4 black. Remember that all fraction answers should be given in the simplest form.
What is the probability of drawing a black or white marble?
6.
If you have a standard deck of cards (52 cards) what is the probability of drawing the Queen of Hearts?
7.
If a month is picked at random, what is the probability that the month will start with M?
8.
A spinner that is numbered 1-7 is used for a game. What is the probability that a 5 will be spun?
9.
A card game has 25 red cards, 25 green cards, 25 yellow cards, 25 blue cards, and 8 wild cards. What is the probability that the first card dealt is a wild card?
10.
For his garden, Clay has a mixture of 12 white corn seeds, 24 yellow corn seeds, and 16 bi-color corn seeds. If he reaches for a seed without looking, what is the probability that Clay will plant a bi-color corn seed first?
11.
Suppose that you have a bag containing 3 red jelly beans, 4 green jelly beans, 5 yellow jelly beans, and 1 black jelly bean. If you pick one jelly bean from the bag at random, what is the probability that the bean will be yellow?
12.
Suppose that you have a bag containing 3 red jelly beans, 4 green jelly beans, 5 yellow jelly beans, and 1 black jelly bean. If you pick one jelly bean, what is the probability that it will be either red or green?
13.
In a survey of 100 students about their favorite pizza topping, 25 chose pineapple. According to these results, if a student is picked at random at the school, what is the chance that the student prefers pineapple as a pizza topping?
14.
Ben and Lily are going to roll a number cube one time to see who will start a game. Which of the following IS a fair way to decide who will go first?
A.
If a 1, 4 or 6 is rolled, Ben will go first. If a 2,3 or 5 is rolled, Lily will go first.
B.
If the number rolled is less than 3, Ben will go first. If the number rolled is greater than 3, Lily will go first.
15.
The probability of rolling a 6 on a regular number cube is 1/6. If Jacob tosses a number cube 48 times, how many times would he expect to roll a 6?
16.
A standard number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number LESS THAN 2.