GCSE wk 3 Y lesson, Analysing probability post lsson test

​What have you learnt about using tables, frequency trees in probability?

By Claire Dunmore

Multiple Choice

A(n) _____________________ is all the possible outcomes of an experiment.

• sample space

• trial

• experiment

• event

Multiple Choice

Which shows the sample space for flipping two coins?

• H, T
• HH, HT, TH, TT
• HH, TT
• Dime, Nickel

Multiple Choice

What is the importance of sample space in probability theory?

• It has no importance in probability theory

• It only represents a few outcomes of a random experiment

• It is only used in certain types of probability calculations

• It represents all possible outcomes of a random experiment.

Labelling

30 people took a literacy and numeracy test.

23 of the people passed the literacy test.

Use this information to complete the frequency tree.

Drag labels to their correct position on the image

4

8

2

9

30

11

7

23

Multiple Choice

• 15/100

• 45/100

• 55/100

• 26/100

Multiple Choice

The frequency tree shows people doing a puzzle. What is the probability that the person is under 18 and didn't solve the puzzle. Put it in the simplest form.

• 10/45

• 10/120

• 1/3

• 2/9

Fill in the Blanks

Fill in the Blanks

Labelling

There are only red, white, blue and green counters in a bag. Chris is going to to take at random a counter from the bag.

The table shows the probability that he will take a red counter and the probability that he will take a white counter.

There are twice as many blue counters as green counters in the bag.

Fill in the missing gaps

Drag labels to their correct position on the image

0.4

0.3

0.2

0.6

Multiple Choice

If the team played 50 games, what is an estimate for the amount of games that they win?

• 2

• 20

• 4

• 40

Poll

How do you feel about your knowledge on Analysing probability?

• Fully understand

• Understand some but need more help

• I would like more help please