A survey was taken at a high school, and the results were put in a circle graph. The students were asked to list their favourite colours. The measurement of each central angle is shown. If a person is chosen at random from the school, find the probability of each response.

What is the probability of favourite colour being blue or green ?

Options

A. 0.1
B. 0.2
C. 0.3
D. 0.4

Answer

C

Explanation

P(blue of green) `=(72^(@)+36^(@))/(360^(@))=(108^(@))/(360^(@))=(3)/(10)=0.3`
Thus ( c ) is correct option.