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Probabilities of Simple Events

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

If the outcome of one event does not affect the outcome of the other event, the events are ________?

a)

Dependent Events

b)

Independent Events

c)

Simple Events

d)

Complementary Events

2.

Outcomes occur at _______ if each outcome is equally likely to occur.

a)

Simulation

b)

Experimental Probability

c)

Fixed Rates

d)

Random

3.

The ______ is based on uniform probability, or what should occur during a probability experiment.

a)

Experimental Probability

b)

Theoretical Probability

c)

Independent Events

d)

Simple Event

4.

The ______ of rolling a 1 on a number cube labeled 1-6 is

16\frac{1}{6}  .

a)

Simple Event

b)

Probability

c)

Sample Space

5.

If an event has one outcome or a collection of outcomes, the event is a(n) ______.

a)

Simple Event

b)

Tree Diagram

c)

Sample Space

d)

Experimental Event

6.

The sum of the probabilities of ______ is 1.

a)

Independent Events

b)

Simple Events

c)

Complementary Events

d)

Experimental Events

7.

Define Sample Space.

a)

The set of all possible outcomes in a probability experiment

b)

The sum of all probabilities equaling 1

c)

An outcome of one event that does not affect the other event

d)

Based on the relative frequency, or what actually occurs during a probability experiment.

8.

The ________ is based on relative frequency, or what actually occurs during a probability experiment.

a)

Theoretical Probability

b)

Experimental Probability

c)

Independent Events

d)

Sample Space

9.

A(n) __________ is a possible result of an experiment or trial

a)

Experiment

b)

Outcome

c)

Tree Diagram

d)

Sample Space

10.

if the outcome of the first event affects the outcome of the second event, then that is a(n) _______________ .

a)

Independent Event

b)

Dependent Event

c)

Complimentary Event

d)

Tree Diagram

11.

A box has 10 balls. Each ball is marked with single digit from 0 to 9. One ball is randomly selected. What is the probability that the number is greater than 6?

a)

0/10

b)

1/10

c)

2/10

d)

3/10

12.

A box has 10 balls. Each ball is marked with single digit from 0 to 9. One ball is randomly selected. What is the probability that the number is less than or equal to 3?

a)

0

b)

3/10

c)

4/10

d)

1

13.

A box has 10 balls. Each ball is marked with single digit from 0 to 9. One ball is randomly selected. What is the probability that the number is odd?

a)

0

b)

1/4

c)

1/2

d)

1

14.

A box has 10 balls. Each ball is marked with single digit from 0 to 9. One ball is randomly selected. What is the probability that the number is not 0?

a)

9/10

b)

1/2

c)

0

d)

1

15.

A box has 10 balls. Each ball is marked with single digit from 0 to 9. One ball is randomly selected. What is the probability that the number is 3 or 9?

a)

0/10

b)

1/10

c)

2/10

d)

3/10

16.

There are 4 rambutan, 5 lanzones, 1 pineapple, and 2 mangoes in a basket.  Suppose you select one fruit at random.  Find the probability of mangoes?

a)

1/12

b)

2/12 or 1/6

c)

4/12 or 1/3

d)

5/12

17.

There are 4 rambutan, 5 lanzones, 1 pineapple, and 2 mangoes in a basket.  Suppose you select one fruit at random.  Find the probability of rambutan?

a)

1/12

b)

2/12 or 1/6

c)

4/12 or 1/3

d)

5/12

18.

There are 4 rambutan, 5 lanzones, 1 pineapple, and 2 mangoes in a basket.  Suppose you select one fruit at random.  Find the probability of not pinepple?

a)

1/12

b)

2/12

c)

5/12

d)

11/12

19.

There are 4 rambutan, 5 lanzones, 1 pineapple, and 2 mangoes in a basket.  Suppose you select one fruit at random.  Find the probability of rambutan or mango?

a)

1/12

b)

2/12 or 1/6

c)

4/12 or 1/3

d)

6/12 or 1/2

20.

There are 4 rambutan, 5 lanzones, 1 pineapple, and 2 mangoes in a basket.  Suppose you select one fruit at random.  Find the probability of not banana?

a)

0

b)

1/4

c)

1/2

d)

1