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Short Quiz Random Variable

Authored by Mon Real

Mathematics

11th Grade

CCSS covered

Used 1+ times

Short Quiz Random Variable
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Hobi tested 3 cellphones at random to know whether defective, nondefective or slightly defective. How many possible outcomes are there?

9

8

32

27

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following is NOT an example of random variable?

Height or weight
Temperature in degrees Celsius
Number of goals scored in a soccer game
Eye color

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

In a family of 4 children, what is the probability that all children are boys?

1/4
1/8
1/2
1/16

Tags

CCSS.HSS.CP.B.9

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The mean grade of students per homeroom is an example of what type of random variable?

Neither discrete nor random.

Discrete random variable
Continuous random variable

Both discrete and continuous

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following best describes a variable?

A constant value
A fixed number
A letter or symbol that represents a value
A mathematical operation

Tags

CCSS.6.EE.A.2B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A random variable produces what type of data?

Ordinal data
Categorical data
Numerical data

Qualitative data

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT an example of continuous random variable?

Number of children in a family

Weight of a person

Height of a building

Time taken to complete a race

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