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Theoretical and Experimental Probability #3

Total questions: 10

Worksheet time: 43mins

Name
Class
Date
1.

Bella will roll a number cube, labeled 1 through 6, 300 times. About how many times could Bella expect to roll a number less than 4?

a)

50

b)

100

c)

150

d)

200

2.
What is Theoretical Probability?
a)
The ratio of favorable outcomes to the total number of possible outcomes
b)
The ratio of favorable outcomes to the total number of trials in an experiment
c)
In probability, a controlled, repeated process (such as repeatedly tossing a coin).
d)
A single possible result.
3.
If I flip a coin 10 times how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
4.

Experimental probability is________________________

a)

the ratio of the number of times an event occurs to the total number of trials.

b)

the likelihood of an experiment being successful.

c)

the ratio of the number of favorable outcomes to the number of possible outcomes

d)

the likelihood of getting a favorable outcome.

5.

Stevie rolled a die 20 times. Here is a graph of her results.

What was her experimental probability of rolling a 3?

a)

1/6

b)

1

c)

1/20

d)

3

6.

If you choose a letter tile from a bag without looking, what is the theoretical probability of choosing a p?

a)

2

b)

2/5

c)

p, p

d)

5

7.

The spinner was spun 30 times and landed on blue 12 times.

What was the experimental probability of NOT landing on Blue

a)

2/5

b)

3/5

c)

4/5

d)

1/5

8.

A dice was thrown 10 times with the following outcomes:

1 was rolled 3 times
2 was rolled 1 time
3 was rolled 2 times
4 was rolled 0 times
5 was rolled 2 times
6 was rolled 2 times

What is the experimental probability of rolling a 3?

a)

16\frac{1}{6}  

b)

210=15\frac{2}{10}=\frac{1}{5}  

c)

110\frac{1}{10}  

d)

26=13\frac{2}{6}=\frac{1}{3}  

9.

The arrow is spun 15 times and landed 4 times on the section labeled Q. Which statement is true?

a)

b)

c)

d)

10.

Shannon has a bag of jelly beans.

5 Green

2 Red

3 Blue

What is the experimental probability of her selecting a red jelly bean?

a)

1/4

b)

2/10

c)

1/5

d)

23/30