Probability

• Mathematics
• Lower Secondary (Key Stage 3)

Probability

What is the probability you will roll a 2 on a fair sided dice?

1. 2/6
2. 1/6
3. 1/2
4. 3/6

There are 10 marbles in a bag. 5 are red, 4 are green, 1 is blue. If I choose a marble at random, what is the probability I get green?

1. 4/10
2. 2/5
3. 4/1
4. 1/2

What is the probability of snow falling in the month of May in London

1. Impossible
2. unlikely
3. Certain
4. Evens

What is the probability of snow falling in the month of May in Siberia

1. 0
2. 25%
3. 75%
4. 100%

There are 20 cubes in a bag.
Two of them are yellow.​
What is the probability of picking,
at random, a yellow cube?

1. 1/20
2. 2/20
3. 2/18
4. 1/10

This dice has eight sides.​
What is the probability of the
number 4 ?​

1. 1/16
2. 4/8
3. 1/8
4. 2/8

This dice has eight sides.​
What is the probability of the
numbers 2 & 3?​

1. 1/16
2. 2/8
3. 5/8
4. 1/4

7 out of 14 students are vegetarian. What is the likelihood/probability of a student being vegetarian?

1. impossible
2. likely
3. unlikely
4. even chance

10 out of 14 students are vegetarian. What is the likelihood/probability of a student being vegetarian?

1. impossible
2. likely
3. unlikely
4. even chance

The probability of Suha coming to work every day is 0.8, what is the probability of her not coming to work

1. 0.2
2. 0.8
3. 0.35
4. 0.7

The probability of Sean working on a weekend is 0.2, what is the probability of him not working on a weekend

1. 0.2
2. 1
3. 0.7
4. 0.8

A bag contains 4 white buttons.
How many black buttons must be added so there is an even chance of picking a white button?

1. 4
2. 1
3. 2
4. 8

List 5 keywords you learnt today( make sure you spell them correclty)

Use AI to explain the difference between theoretical and experimental outcome in probability

Two coins are tossed.​
What is the probability of
them landing both tails?​

1. 1/4
2. 2/4
3. 1/3
4. 4/4