Search Header Logo

Random variables, probability distribution, and expected values.

Authored by Sihan Wang

Mathematics

9th - 12th Grade

CCSS covered

Used 11+ times

Random variables, probability distribution, and expected values.
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If two coins are tossed, which is not a possible value of the random variable for the number of heads?

0

1

2

3

Tags

CCSS.HSF-LE.A.1B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the missing value for P(X=5) in the probability ditribution:


Number of Toys | Probability

0| 0.03

1| 0.16

2| 0.30

3| 0.23

4| 0.17

5| ?

0.11

0.21

0.01

0.31

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Given the probability distribution table below, find the value of k.

0.35
0.15
0.20
0.30

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is P( X > 2).

0.02

0.2

0.01

0.1

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is P( X <2).

0.2

0.32

0.02

0.1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Find P( X = 4).

1.00

0.91

0.02

0.07

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A marketing survey compiled data on the number of cars in households.  If X = the number of cars in a randomly selected household, and we omit the rare cases of more than 5 cars, then X has the following probability distribution: 

X           0          1          2          3           4           5  

P(X)   0.24    0.37    0.20    0.11    0.05     0.03

What is the probability that a randomly chosen household has at least two cars?

0.20
0.29
0.39
0.61

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?