Probability And Operator

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green? Simplify.

• 1 / 16

• 1 ⁄ 6

• 1 ⁄ 8

• 3 ⁄ 4

You roll a six sided die. What is the probability of rolling an even number three times in a row? 

• 3/100

• 1/2

• 1/6

• 1/8

Sarah has two spinners.  Spinner A has six equal sections and spinner B has eight equal sections. Sarah will spin the two spinners at the same time.  What is the probability that both spinners will land on a color that is not red?

• 1/6

• 7/6

• 4/7

• 1/3

Find the probability of each set of independent events.

Rolling a six on the first roll of a 1-6 number cube and rolling an odd number on the second roll of the same cube.

Simplify.

• 1/12

• 1/6

• 1/8

• 1/2

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number greater than 2? Simplify.

• 1/12

• 1/4

• 1/8

• 1/3

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing the letters “A” or "E" when drawing from the bowl? Simplify.

• 2/49

• 2/7

• 3/7

• 10/49

A number cube is rolled. What is the probability of getting a 6 or a number less than 3? Simplify.

• 1/3

• 1/12

• 1/2

• 1/18

Sam is fishing in a new pond that was just stocked with 3 bluegill, 4 catfish, 7 bass, and 2 carp. What is the probability that he caught a bluegill or a carp? Simplify.

• 1/40

• 1/8

• 3/124

• 5/16

Lucy has the spinner pictured and spins it. What is the probability that she lands on blue or on yellow? Simplify.

• 1 / 16

• 1 ⁄ 2

• 1 ⁄ 8

• 3 ⁄ 4

A spinner consists of two A’s, three B’s, and three C’s. What is the probability of spinning a B or C? Simplify.

• ²/₈

• ²/₃

• ⁶/₈

• ³/₄