ACT Math - Algebra #2 (Statistics)

A drone costs $280, but it goes on sale for $224. What is the percent change compared to the original price?

• increase of 20 percent

• increase of 25 percent

• decrease of 25 percent

• decrease of 20 percent

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Brooklyn scored a 65 percent on a test, and on the re-take she scored a 91. By what percent did her score increase, compared to her original score?

• 13 percent

• 26 percent

• 28 percent

• 40 percent

Tags

CCSS.7.RP.A.3

A contestant in a singing competition receives scores of 8.8, 8.5, 9.8, and 9.3 from four judges. If she needs a 9.0 or higher to advance, what is the lowest score she can receive from the fifth and final judge to advance?

• 8.2

• 8.5

• 8.6

• 10

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.SP.B.4

In the first 8 games, the basketball team scored the following number of points:

54, 48, 66, 71, 57, 52, 64, 59

What is the median number of points?

• 57

• 58

• 59

• 60

Tags

CCSS.7.SP.B.4

Five students are auditioning for a role in a school play. As they wait in line off-stage, they debate how many different ways their line can be formed. How many different sequences are possible for these five students?

• 5

• 9

• 72

• 120

Tags

CCSS.HSS.CP.B.9

10 students are trying out for a school musical that has one major leading role and one major supporting role. How many different permutations are possible to fill these two roles among the 10 auditioning students?

• 10

• 45

• 90

• 720

Tags

CCSS.HSS.CP.B.9

11 students are trying to become part of the stage crew, but only 5 slots are available. How many different possibilities are there for the makeup of the stage crew?

• 55

• 462

• 550

• 55440

Tags

CCSS.HSS.CP.B.9

At the start of a card game, what is the chance that a player draws a king, keeps it in her hand, and then draws a second king? (Note: there are 52 cards in a deck, including 4 kings.)

• 1/169

• 1/221

• 4/663

• 12/51

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

To win a board game, a player needs to roll two dice (each six-sided) and have each show a six. What is the chance that the player will NOT roll two sixes?

• 1/36

• 1/6

• 11/12

• 35/36

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A student counted the number of days she missed school each month of the school year. Below are the number of absences for the 11 months, August through June (rearranged from least to most):

0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 6

What is the mode?

• There is no mode

• 0

• 1

• 0 and 2

Tags

CCSS.7.SP.B.4