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Wize University Statistics Textbook > Counting Techniques

Counting and Probability

3 Activities

Parts (i) to (vi) pertain to the following information:

In order to win a prize, you must flip 'Heads' at least 2 times out of 3 trials. However, the coin is not fair because there is a 40% probability you will flip 'Heads' each time (and therefore 60% probability you will flop 'Tails' each time).
(i) Complete the probability distribution table. Enter 3 decimal places for probabilities.


# Heads0123
Probability
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(ii) What is the probability that you will win a prize?