Welcome to your GRADE 8 MATHEMATICS CHAPTER 8
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the first step in a statistical investigation?
2.
The set of all possible outcomes of an experiment is called:
3.
Any subset of a sample space is called:
4.
If a coin is tossed, what is the sample space?
5.
The probability of an event E, denoted by P(E), is calculated as:
6.
The probability of a certain event is always:
7.
The probability of an impossible event is:
8.
For any event E, the range of P(E) is:
9.
If a fair die is rolled, what is the probability of getting a 4?
10.
In a single roll of a die, what is the probability of getting an even number?
11.
If P(E) is the probability of an event happening, the probability of it not happening P(E′) is:
12.
How many outcomes are in the sample space of tossing two coins?
13.
If a bag contains 3 red balls and 7 blue balls, what is the probability of picking a red ball?
14.
Probability determined by conducting an experiment many times is called:
15.
If a coin is tossed 100 times and heads appears 45 times, the experimental probability of heads is:
16.
The sum of the probabilities of all possible outcomes in a sample space is:
17.
Which of the following cannot be a probability value?
18.
A die is rolled. What is the probability of getting a number greater than 6?
19.
When a die is rolled, getting a number less than 7 is a:
20.
What is the probability of getting exactly one head when tossing two coins?
21.
In probability, n(E) represents:
22.
A result of an experiment is called an:
23.
Tossing a coin or rolling a die are examples of:
24.
What is the probability of picking a vowel from the word "MATH"?
25.
If the probability of rain is 0.2, what is the probability it will NOT rain?
26.
A box has 5 green and 5 yellow pencils. The probability of picking a yellow pencil is:
27.
How many outcomes are in the sample space of rolling a single die?
28.
An event that has only one outcome is called a:
29.
If n(S)=20 and P(E)=0.25, how many outcomes are in E?
30.
Probability is a branch of mathematics that deals with:
