Probability

At a particular school, there are $270$270 students in year 9 and $180$180 students in year 10. $20%$20% of the year 9 students and $45%$45% of the year 10 students like maths.

a

What is the probability that a randomly chosen student is in year 9 and does not like maths?

b

What is the overall proportion of students who do not like maths?

Easy

Approx 6 minutes

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