Sample Space
A standard 6-sided die is rolled. List the sample space of all possible outcomes.
{1, 2, 3, 4, 5, 6}
What is the probability of choosing an Ace from a standard deck of 52 cards? Express your answer as a simplified fraction.
1/13
A coin is flipped once. What is the theoretical probability of getting heads? Express your answer as a simplified fraction.
1/2
A die numbered 1 to 6 is rolled 60 times. The number 5 comes up 15 times. What is the experimental probability of rolling a 5? Express your answer as a simplified fraction.
1/4
Area of a triangle: base 10 cm, height 6 cm?
30 cm
A basket contains 1 apple, 1 banana, and 1 grape. If one fruit is selected at random, list the sample space of all possible outcomes.
{apple, banana, grape}
A die is rolled. What is the probability of rolling an odd number? Express your answer as a simplified fraction.
1/2
A standard 6-sided die is rolled. What is the theoretical probability of rolling an odd number? Express your answer as a decimal.
.5
A spinner numbered 1 to 4 is spun 40 times. The number 3 comes up 12 times. What is the experimental probability of spinning a 3? Express your answer as a simplified fraction.
3/10
Order the following numbers from least to greatest:
1/2, .75, -7, -2, 30%
-7, -2, 30%, 1/2, .75
A spinner has 4 equal sections numbered 1 to 4. List the sample space of all possible outcomes.
{1, 2, 3, 4}
A bag contains 2 red, 3 blue, and 4 green marbles. One marble is selected at random. What is the probability of not picking a green marble? Express your answer as a simplified fraction.
5/9
A spinner is divided into 10 equal sections numbered 1 to 10. What is the theoretical probability of landing on a number less than 4? Express your answer as a percent.
30%
A coin is flipped 50 times. Heads comes up 28 times. What is the experimental probability of getting heads? Express your answer as a decimal.
.56
What is 25% of 80?
20
A bag contains 5 red marbles and 2 blue marbles. One marble is chosen at random. List the sample space of possible outcomes.
{r,r,r,r,r,b,b}
You spin a spinner with two colors. The probability of landing on blue vs landing on red is shown below. Which is more likely?
P(blue) = 0.3
P(red) = 0.7
Red
A spinner is divided into 6 equal sections: 2 red, 1 blue, 3 yellow. What is the theoretical probability of landing on red or yellow? Express your answer as a simplified fraction.
5/6
A die numbered 1 to 6 is rolled 90 times. The number 2 comes up 18 times. What is the experimental probability of rolling a 2? Express your answer as a percent.
20%
Simplify: 3(a + 4)
3a + 12
A pencil pouch contains 3 red pencils, 2 blue pencils, and 1 yellow pencil. If one pencil is chosen at random, list the sample space of possible outcomes.
{r,r,r,b,b,y}
You will play outside on Wednesday and Thursday. The chance it will be sunny on Wednesday is 3/8. The chance it will be sunny on Thursday is 5/8. On which day is it more likely to be sunny?
Thursday
A deck contains cards numbered 1–10. One card is drawn. What is the theoretical probability of drawing a number that is even or greater than 7? Express your answer as a simplified fraction.
3/5
A die numbered 1 to 6 is rolled 120 times. The number 4 comes up 25 times, the number 5 comes up 20 times, and the number 6 comes up 15 times. What is the experimental probability of rolling a number greater than 3? Express your answer as a simplified fraction.
1/2
Simplify: 5x + 2 – 3x + 7
2x + 9