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Understanding Probability Concepts

Total questions: 33

Worksheet time: 32mins

Name
Class
Date
1.

A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

a)

1/3

b)

1/6

c)

1/2

d)

2/3

2.
An unlikely chance event is closer to what number?
a)
0
b)
1
c)
2
d)
3
3.
Probability can be between what two numbers?
a)
10 and 20
b)
0 and 100
c)
0 and 1
d)
All Numbers are possible
4.
The probability of it raining today is 30%.  What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
5.
These symbols represent the mean and standard deviation for which of the following distributions?
a)
The Population
b)
The Sample
c)
The Sampling Distribution
6.

If a sampling distribution of sample means has a sample size less than 30:

a)

the shape will be Normal

b)

the shape will be the shape of the population

c)

the shape will not be Normal

d)

I don't know

7.

What does this formula do?

a)

Calculates Standard Deviation

b)

Checks if the samples are independent

c)

Checks Normality

d)

Calculates Probabilities

8.

What does the symbol represent?

a)

mean from a sample

b)

proportion from a population

c)

standard deviation of the sampling distribution of sample proportions

d)

mean of the sampling distribution of sample proportions

e)

mean from a population

9.

What does the symbol represent?

a)

proportion from a sample

b)

proportion from a population

c)

standard deviation of the sampling distribution of sample proportions

d)

mean of the sampling distribution of sample proportions

e)

standard deviation from a population

10.
What does this symbol represent?
a)
population proportion
b)
parameter
c)
sample proportion
d)
population sample
11.

The chance of rolling a 2 is 1/6. What is the chance of not rolling a 2?

a)

2/6

b)

1/6

c)

5/6

d)

Not possible

12.

Classify: The numbers of cheeseburgers a fast-food restaurant serves each day

a)

Discrete

b)

Continuous

13.

Classify: Height of a plant measured each day for 30 days.

a)

Discrete

b)

Continuous

14.

What does this formula do?

a)

Calculates Standard Deviation

b)

Checks if the samples are independent

c)

Checks Normality

d)

Calculates Probabilitie

15.

Select the correct description

a)

Standard Deviation

b)

Population Spread

c)

Sample Standard Deviation

d)

Population Standard Deviation

16.

Which symbols use an OPEN dot when graphing inequalities?

a)

<  , ≤<\ \ ,\ \le  

b)

> , ≥>\ ,\ \ge  

c)

≤ , ≥\le\ ,\ \ge  

d)

< , ><\ ,\ >  

17.

Which symbols use an CLOSED dot when graphing inequalities?

a)

<  , ≤<\ \ ,\ \le  

b)

> , ≥>\ ,\ \ge  

c)

≤ , ≥\le\ ,\ \ge  

d)

< , ><\ ,\ >  

18.

Select the TWO possibly values that satisfy the inequality.
17≥x17\ge x  

a)

9

b)

12

c)

19

d)

20

19.
 Which inequality could be used to represent the situation: A maximum of 5 students are chosen to be peer mediators. 
a)
x < 5
b)
x > 5
c)
x ≤  5
d)
x ≥ 5
20.

Which steps can be used first to efficiently type in fractions? Choose the best answer.

a)

Press "ALPHA", "y=", then "ENTER".

b)

Press "numerator", then "denominator".

c)

Press "STAT", then go to option 4.

21.
Which button turns the calculator off?
a)
press on twice
b)
alpha on
c)
2nd on
d)
unplug it
22.
What is 72?
a)
14
b)
21
c)
49
d)
72
23.

You may use the subtract button as the negative sign.

a)

True

b)

False

24.

What is the result of 5 + (-3)?

a)

1

b)

2

c)

3

d)

4

25.

What button(s) turns the calculator on?

a)

on

b)

off

c)

clear

d)

reset

26.

What is the mean? Round to the nearest tenth, if necessary.

a)

3.9

b)

12.4

c)

9

d)

4.2

27.

Which represents the median?

a)

Med

b)

Q1

c)

Mod

d)

Q3

e)

maxX

28.

What is the minimum value?

a)

5

b)

9

c)

13

d)

16

e)

18

29.

What piece(s) of information do you need to calculate on your own as they are not in the calculator?

a)

Interquartile Range (IQR)

b)

Mean

c)

Outliers

d)

Median

30.

You accidentally click a button and it takes you to a random page. How do you exit out of it?

a)

Alpha y=

b)

Math Enter Enter

c)

Clear

d)

Second Mode

31.

What has to be broken before it can be used?

a)

A secret

b)

An egg

c)

Silence

32.

Which planet did Superman come from?

a)

Eternia

b)

Krypton

c)

Earth

d)

Krytopia

33.
What two colours make green?
a)
Yellow/ red
b)
Blue/red
c)
Orange/pink
d)
Yellow/blue

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