Probability and Statistics Pre-Test

A survey showed that 28% of adults do not own a cell phone. Out of 1,550 adults, predict how many would say that they do not own a cell phone.

• 4340

• 434

• 55

• 1522

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the probability that a person chooses basketball as their favorite sport?

• 20

• 20/50

• 2/5

• 20%

Tags

CCSS.7.RP.A.2

CCSS.7.SP.A.1

CCSS.7.SP.A.2

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

The probability of spinning blue on Victor's spinner is 1. Which word best describes the chance of spinning blue on Victor's spinner?

• impossible

• unlikely

• likely

• certain

Tags

CCSS.7.SP.C.5

What is the probability of spinning a 5?

• 5/8

• 1

• 5

• 1/8

Tags

CCSS.7.SP.C.5

P(even number)

• 1

• 1/2

• 4

• 4/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The weather reporter says that there is a 14% chance of rain tomorrow. What is the probability that it will not rain?

• 14%

• 50%

• 64%

• 86%

Tags

CCSS.HSS.CP.A.1

What is the probability that you choose blue?

5 green

6 yellow

8 blue

7 brown

• 8/26

• 4/13

• 8/25

• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Probability can be written as a 

• fraction
• decimal
• percent
• all of the above

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3

CCSS.7.SP.C.5

The null hypothesis is represented by:

• Ha

• Ho

• t*

• HP

• μ

What is the mean of the following dataset? 1;1;2;3;5