Conditional probability word problems

Conditional probability word problems

Lesson details

Key learning points

  1. In this lesson, we will learn how to tackle conditional probability word problems. Prior knowledge of how to draw tree diagrams is essential to this lesson.

Licence

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3 Questions

Q1.
There are 10 counters in a bag. 4 counters are green and 6 counters are blue. Two counters are selected at random. If you want to calculate the probability that both are green, what calculation should you do?
A
B
Correct answer: C
Q2.
There are 10 counters in a bag. 4 counters are green and 6 counters are blue. Two counters are selected at random. Calculate the probability that you get one of each colour.
Correct answer: A
B
C
Q3.
There are 10 counters in a bag. 4 counters are green and 6 counters are blue. Two counters are selected at random. Calculate the probability that you get at least one blue.
A
B
Correct answer: C

Lesson appears in

UnitMaths / Higher Probability (Conditional and Further Set Notation)