Question

A spinner has three sections which are coloured red, green and blue. Chris spun the spinner 100 times in total.

The frequency of spins that landed on green was 35. The ratio of the frequency of red to the frequency of green was 4:7.

What is the estimated probability of the spinner landing on blue?
Give your answer as a decimal​

Answer 1

100 times

colors green red blue

frequency 35 20 45

the estimated probability of the spinner landing on blue : 45/100=0,45

Explanation: