Free Printable W.c.1Feb.GCSE.End.of.lesson.Quiz.Probability2

Worksheets

W.c.1Feb.GCSE.End.of.lesson.Quiz.Probability2

Total questions: 13

Worksheet time: 17mins

Name

Class

Date

Two events are independent if they have an effect on each other.

False

True

Two events are dependent if they have no effect on each other.

True

False

Is this Probabilty tree showing an independent or dependent event?

dependent

independent

If I eat one green jelly baby, which tree diagram shows the correct probabilities for the second jelly baby ?

What is the probability of eating 1 green and then 1 red jelly baby?

$\frac{3}{10}\times\frac{5}{9}=\frac{15}{90}=\frac{1}{6}$

$\frac{5}{10}\times\frac{2}{9}=\frac{10}{90}=\frac{1}{9}$

Which tree diagram shows the correct completed tree diagram?

What's the probability that two red balls are picked?

$\frac{3}{10}+\ \frac{7}{9}=\frac{10}{19}$

$\frac{3}{10}\times\frac{3}{9}=\frac{9}{90}=\frac{1}{10}$

$\frac{3}{10}\times\frac{2}{9}=\frac{5}{90}=\frac{1}{18}$

$\frac{3}{10}+\frac{2}{9}=\frac{5}{19}$

10.

Eg a bag contains 3 red and 7 blue balls.

A ball is picked, not replaced, and another picked.

Find the probability that:

a)1 of each colour is picked

11.

I am able to recognise and recall probabilities and calculate them using a scale and sample space diagrams/tables.

Confident but need to practice it

So so and I need lots of practice

Don't understand any of it

12.

I am able to understand the difference between Independent and Dependent events.

Confident and need to practise.

So so and need lots of practice

Don't understand at all

13.

I am able to complete and analyse Tree Diagrams spaces.

Confident but still need to practise

So so and need lots of practise

Don't understand it at all

Reset

W.c.1Feb.GCSE.End.of.lesson.Quiz.Probability2

Total questions: 13

Worksheet time: 17mins

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