Probability Review

Lauren spins the spinner with 8-equal sized sections one time. Drag the tiles to arrange the events in order from least likely to most likely.

• spinning an even number

• spinning a number greater than 5

• spinning a 6

• spinning a 4 or 5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A box contains 4 red pencils, 6 blue pencils, 5 black pencils, and 3 green pencils. The best description of the likelihood of selecting a blue pencil at random from the box is ​​​ (a)   . ​ ​

• unlikely
• impossible
• equally likely
• likely
• certain

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Which of the following best describes the likelihood of the spinner landing on a number less than 6?

• impossible

• unlikely

• equally likely

• likely

• certain

Tags

CCSS.7.SP.C.5

Joseph rolled a number cube 50 times. The table shows the cumulative results of each roll. What is the relative frequency of rolling a 4?

Select all that apply.

• 0.18

• 67.7%

• 18%

During the first several rounds of a golfing league, Anthony made par or better on 32 out of 80 holes. Based on this relative frequency, how many pars or better could he be expected to make on the remaining 160 holes?

• 54 pars or better

• 60 pars or better

• 64 pars or better

• 70 pars or better

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The paper bag in the picture has 4 yellow tiles, 3 red, 2 blue, and 1 green. What is the probability of drawing a red tile (without replacement) and drawing a yellow tile?

Mathematical Equivalence

ON

Suppose a 4 is rolled on a number cube with sides numbered 1, 2, 3, 4, 5, and 6.

Which outcomes(s) make up the complement, P'(4), of this event?

Select all that apply.

• rolling a 2

• rolling a 3

• rolling a 4

• rolling a 5

• rolling a 6

Suppose a 4 is rolled on a number cube with sides numbered 1, 2, 3, 4, 5, and 6. The complement of this event would be rolling a 1, 2, 3, 5, or 6. What is the probability of the complement, written as a fraction in simplest form?

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A deli offers the types of bread and sandwiches show in the table. How many possible outcomes are there?

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7