Probabilities are ratios which can be expressed as fractions, decimals or percentages.
True
False
Experimental probability comes closer and closer to theoretical probability if the number of trials is large and increasing.
True
False
The experimental probability of getting a head can be 1 if the coin is tossed a few times only.
True
False
The probability of getting an ace out of a deck of 52 cards is greater than 1.
True
False
If a die is thrown, the probability of getting a number greater than 6 is 1.
True
False
As the number of tosses increases, the probability of getting a head or a tail comes closer to half.
True
False
Each time we perform an experiment, it is called a trial.
True
False
A random experiment is one whose outcomes are predictable.
True
False
Probability of an event which is sure to happen is 1.
True
False
Click the correct answer.
What is the probability of an event whose likelihood of occurrence and non-occurrence is the same?
$$0$$
$$\frac{1}{4}$$
$$\frac{1}{2}$$
$$1$$
A bag contains 10 marbles of which 8 are red. One marble is drawn at random. What is the probability that it is not red?
$$\frac{8}{10}$$
$$\frac{6}{10}$$
$$\frac{4}{10}$$
$$\frac{2}{10}$$
If a letter is taken out from a bag containing letters of the word “SNAKE”, what is the probability of picking A?
$$\frac{1}{5}$$
$$\frac{2}{5}$$
$$\frac{1}{2}$$
$$1$$
A slip of paper is drawn from a jar containing 12 slips with different months of the year written on it. What is the probability of picking the month starting with letter J?
$$\frac{1}{12}$$
$$\frac{2}{12}$$
$$\frac{3}{12}$$
$$\frac{4}{12}$$
If a card is drawn from a well-shuffled deck of 52 playing cards, what is the probability of it being both red and black?
$$0$$
$$\frac{1}{4}$$
$$\frac{1}{2}$$
$$1$$
If a die is thrown once, then which of the following sample spaces does not have equally likely outcomes?
Even number, Odd number
Prime number, Composite number
Multiple of 2, Factor of 4
None of these
If the probability that it will rain tomorrow is 80%, then what is the probability that it will not rain tomorrow?
$$\frac{1}{5}$$
$$\frac{2}{5}$$
$$\frac{3}{5}$$
$$\frac{4}{5}$$
Two dice are thrown simultaneously. How many outcomes can have exactly one even number?
18
27
9
12
What are the outcomes of tossing a coin once?
Only head
Only tail
Neither head nor tail
Either head or tail
If only 2 out of 5 students can participate in a quiz, what is the chance that a student picked at random makes it to the competition?
20%
40%
50%
30%
In an experiment of throwing a fair die once, what is the sum of probabilities of all distinct outcomes in the sample space?
$$1$$
$$\frac{1}{2}$$
$$\frac{1}{3}$$
$$0$$
Click the correct answer.
The probability of
event is 0.
a possible
an impossible
a default
A list of all possible outcomes of an experiment is called a
.
sample space
trial
random experiment
If a coin is flipped to decide which of the two teams starts the game, the probability of your team starting the game is
.
$$\frac{1}{3}$$
$$\frac{1}{4}$$
$$\frac{1}{2}$$
Theoretical probabilities are based on the assumption that outcomes are
.
predictable
equally likely
unequally likely
An
is a subset of a sample space.
example
event
occurrence
A fair game is one in which the chances of winning and losing are
.
almost the same
unequal
equal
When a die is thrown, the probability of getting a number less than 7 is
.
1
2
3
In throwing a die, the number of possible outcomes is
.
