Probability of Independent Events: Modeling Multi-Stage Experiments
Probability of Independent Events: Modeling Multi-Stage Experiments
TGM Original
A box contains \(2\) identical pink marbles and \(6\) identical blue marbles. A marble was taken out at random from the box, the colour was noted and the marble was replaced. A second marble was then taken from the box. Find the probability that the marbles were
- both blue,
- of different colours.
Video Solution:
Video solution locked
A free account saves your progress; this video needs tuition enrolment.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:(a) 9/16; (b) 3/8.
Need help? Join our JC Math tuition classes.
Learn more