Probability
New Zealand
Level 5
Probability of Repetitive Events
Interactive practice questions
Every morning Mae has toast for breakfast. Each day she either chooses honey or jam to spread on her toast, with equal chance of choosing either one.
a
Draw a tree diagram for three consecutive days of Mae’s breakfast choices.
b
What is the probability that on the fourth day Mae chooses honey for her toast?
c
What is the probability that Mae chooses jam for her toast three days in a row?
Easy
2min
Mr and Mrs Smith are starting a family.
When having each child, they assume that having a girl is just as likely as having a boy.
Easy
2min
Consider tossing a normal fair coin.
Easy
1min
Each school day, Neil either rides his bike to school or walks. There is a $70%$70% chance Neil will ride his bike.
Easy
3min
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