Question

Emma spun a spinner with two coloured sections 80

times. The number of times the spinner landed on each
colour is shown below.
a) What is the experimental probability of the spinner
landing on blue? Give your answer as a decimal.
b) Emma spins the spinner another 50 times. On how
many of these 50 spins would you expect the spinner to
land on blue?
Colour
Blue
Orange
Frequency
72
8

Answer 1

A) 0.9 (72/80)

B) 50 x 0.9 = 45