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BASIC PROBABILITY

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

EXPERIMENT

a)

A situation involving chance or probability that leads to results.

b)

The result of an experiment.

c)

A set of all possible outcomes.

d)

A set of outcomes which satisfy a given condition.

2.

OUTCOMES

a)

A situation involving chance or probability that leads to results.

b)

The result of an experiment.

c)

A set of all possible outcomes.

d)

A set of outcomes which satisfy a given condition.

3.

SAMPLE SPACE

a)

A situation involving chance or probability that leads to results.

b)

The result of an experiment.

c)

A set of all possible outcomes.

d)

A set of outcomes which satisfy a given condition.

4.

EVENT

a)

A situation involving chance or probability that leads to results.

b)

The result of an experiment.

c)

A set of all possible outcomes.

d)

A set of outcomes which satisfy a given condition.

5.

What is the probability to get March if a month is chosen randomly from a year?

a)

 112\frac{1}{12}  

b)

1

c)

3

d)

 312\frac{3}{12}  

6.

What is the probability selecting a day starts with the letter T if a day is chosen randomly from a week?

a)

 27\frac{2}{7}  

b)

2

c)

7

d)

 17\frac{1}{7}  

7.

If a coin is flipped, what is the probability to get tail?

a)

12\frac{1}{2}

b)

1

c)

2

d)

21\frac{2}{1}

8.

A dice is rolled. What is the probability to get a number more than 2?

a)

23\frac{2}{3}

b)

56\frac{5}{6}

c)

16\frac{1}{6}

d)

13\frac{1}{3}

9.

There are 3 red marbles, 4 blue marbles and 5 yellow marbles in a jar. 



What is the probability to get a blue marble if a marble is drawn at random?

a)

13\frac{1}{3}

b)

413\frac{4}{13}

c)

4

d)

411\frac{4}{11}

10.

There are 3 red marbles, 4 blue marbles and 5 yellow marbles in a jar. 



What is the probability to get a not red marble if a marble is drawn at random?

a)

 34\frac{3}{4} 

b)

 312\frac{3}{12} 

c)

3

d)

 14\frac{1}{4}