Stats Unit 5 Quiz on Probability

Sophia, Charlotte, Benjamin and 9 other engineers are part of a project team. How many different teams of four can be produced from this pool of 12 engineers?

• 495

• 440

• 330

• 220

Answer explanation

There are 12 engineers and we need to choose 4. The number of different teams is given by the combination formula C(12, 4) = 495. Therefore, the correct answer is 495.

How many ways can a club select a president, vice president, and a secretary from a group of 5 people?

• 12

• 60

• 15

• 125

How many ways can you choose a manager and assistant from a 9-person task force?

• 81
• 18
• 72

Four students need to be selected from a class

of 15 to help clean up the campus. How many different ways can the 4 students be chosen?

• 32 760

• 60

• 1 365

What does the shaded portion of the Venn diagram represent?

• Band and Art
• Only Art
• Band or Art
• Neither

What is the probability that someone plays basketball?

• .50

• .68

• .52

• .46

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.ID.B.5

The diagram shows the sports played by 80 students.

If a student is picked at random, what is the probability that they play football only?

• ⁶⁶/₈₀

• ⁴/₈₀

• ¹⁸/₈₀

• ⁴⁹/₈₀

Tags

CCSS.7.SP.C.5

If you were to flip a coin 20 times, what is the probability you would get exactly 10 heads?

• 50%

• 17.62%

• 58.81%

• 41.19%

Tags

CCSS.HSS.CP.B.9

Barry Bonds has a career batting average of .298 (He gets on base 29.8% of the time). What is the probability that he will get on base 6 times in 10 at bats?

• 3.58%

• 5.46%

• 22.67%

• 100%

Tags

CCSS.HSS.CP.B.9

What is the standard deviation of the player weights?

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.4