At the school fete, the drinks sold in

the first hour were recorded:

Cola (27 cans) Lemonade (16 cans)

Orange (12 cans) Lemon (9 cans)

What is the probability the next drink

sold is lemonade?

%

So far, they sold 16 lemonades out of

27+16+12+9=64 drinks.

So, 16/64 = 1/4 of the drinks sold so fare was lemonade. That's the expected probability of someone ordering a lemonade for the next drink.