Use the Image Above to Decide on the Following

Name:______

Probability Test

Level 4:

Use the image above to decide on the following:

Q1. The sun will rise tomorrow?

Q2. A wizard will appear in the classroom right now?

Q3. A fish will swim in the sea?

Q4: If I tossed a coin what is the chance of getting heads?

Q5: If I rolled a 6 sided die what is the chance of rolling a 7?

Level 5:

Q6: If I rolled a six sided die what is the chance of rolling a 3 (display in fraction format)?

Q7: If I rolled a six sided die what is the chance of rolling a 5 (display in fraction format)? Name:______

Q8: If I rolled a six sided die what is the chance of rolling an even number (display in fraction format)?

Q10 Use the diagram above to answer the following question.

Give an answer using the scale 0-1. What is the chance I will meet an alien today?

Level 6:

Q11 Name:______

Q14 Name:______

Level 7:

Example: Rolling a die once: Sample space S = {1,2,3,4,5,6} Name:______

If I tossed a coin once what would its sample space be?

Q17: If I rolled a 10 sided die what would be its sample space?

Q20 Name:______

Level 8:

Below we have data for eye colour of girls/boys in Mr A’s class

Brown Blue Green Boys 4 7 2 Girls 3 4 5

Q21. How many students are in the class?

Q22. How many boys have blue or green eyes?

Q23. How many students have green eyes?

Q24. How many students don’t have blue eyes?

Below is a Venn Diagram

150 College freshman were interview

 85 were registered for a Math class Name:______

 70 were registered for and English Class

 50 were registered both Math/English

Universal set

Q25. How many signed up only for a Maths Class?

Q26. How many signed up only for an English Class?

Q27. How many signed up for Maths or English?

Q28. How many signed up for neither Maths or English?

Level 9:

Q29 Draw a tree diagram that shows the possible outcomes when two unbiased coins are tossed once each. Name:______

Q30 Using the tree diagram above, how many possible outcomes are there?

92 people were asked how they got to work:

 35 used a car  42 took public transport  8 rode a bicycle  7 walked Calculate the Relative Frequencies (to 2 decimal places) of the following: a) Car: = b) Public Transport: = c) Bicycle: = d) Walking:=

Level 10:

Q32. On her way to work, Sylvia drives through three sets of traffic lights. The probability of each set of lights being green is 0.3. What is the probability that they are all green?

Q33. A bag contains 4 red balls and 3 green balls. A ball is taken out at random, and then put back; a second ball is then taken from the bag. What is the probability that:

(a) Both balls are the same colour Name:______

b) At least one of the balls is green

c)The balls are of different colour