10.4 GS Addition Rule Probability

Amanda spins a spinner numbered 1 to 10. What is the probability that the spinner lands on an odd number or a number that is divisible by 3?

• $\frac{4}{5}$

• $\frac{3}{5}$

• $\frac{1}{5}$

• $\frac{3}{20}$

Tags

CCSS.HSS.CP.B.7

Using the spinner, what is the probability of spinning purple or green?

• $\frac{1}{6}$

• $\frac{1}{3}$

• $\frac{2}{3}$

• $\frac{5}{6}$

Tags

CCSS.HSS.CP.B.7

The outcomes for rolling two number cubes numbered 1 through 6 are shown above. What is the probability the sum of the number cubes will be 7 or 4?

• $\frac{1}{12}$

• $\frac{1}{6}$

• $\frac{1}{4}$

• $\frac{11}{36}$

A box contains 18 blue flashlights, 3 red flashlights, 7 silver flashlights, and 2 black flashlights. The flashlights are identical in size and shape. If one flashlight is chosen at random, what is the probability that the flashlight will be either blue or black?

• $\frac{1}{3}$

• $\frac{1}{2}$

• $\frac{3}{5}$

• $\frac{2}{3}$

Tags

CCSS.HSS.CP.B.7

A seven-sided number cube with sides numbered 1, 2, 3, 4, 5, 6, 7 is rolled. What is the probability that a 4 or an odd number is rolled?

• $\frac{4}{49}$

• $\frac{2}{7}$

• $\frac{3}{7}$

• $\frac{5}{7}$

Tags

CCSS.HSS.CP.B.7

A box contains 18 blue chips, 6 red chips, 4 green chips and 2 yellow chips that are identical in size and shape. If one chip is chosen at random, what is the probability that the chip will be either blue or yellow?

• $\frac{2}{3}$

• $\frac{1}{3}$

• $\frac{3}{5}$

• $\frac{1}{2}$

Tags

CCSS.HSS.CP.B.7

A day of the week is chosen at random. What is the probability of choosing a Monday or Tuesday?

• 1/7

• 2/14

• 2/7

• None of the above

Tags

CCSS.HSS.CP.B.7

A single 6-sided die is rolled. What is the probability of rolling a number greater than 3 or an even number?

• 1

• 2/3

• 5/6

• None of the above

Tags

CCSS.HSS.CP.B.7

A single 6-sided die is rolled. What is the probability of rolling a 2 or a 5?

• 1/3

• 2/3

• 1/2

• None of the above

Tags

CCSS.HSS.CP.B.7