Question

A survey was taken at a high school, and the results were put in a circle graph. The

students were asked to list their favorite colors. The measurement of each central angle

is shown. If a student is chosen at random from the school, find the probability of each

response.

(i) What is the probability of favorite color being red? 1

a)

0.1 b)

0.2

c)

0.3

d)

0.4

(ii) What is the probability of favorite color being blue or green? 1

a)

0.1

b)

0.2

c)

0.3

d)

0.4

(iii) What is the probability of favorite color not being red or blue? 1

a)

0.35

b)

0.70 c)

0.15

d)

0.50
(iv) What is the probability of favorite color not being orange or green? 1

a) 0.65 b) 0.75 c) 0.25 d) 0.50

(v) What is the probability of favorite color being red or blue? 1

a) 0.2 b)

0.3 c) 0.1 d)

0.4​

Answer 1

Answer:

i. (c)

ii. (d)

iii. (a)

iv. (c)

v. (b)

Answer 2

Answer:

(i) option A

(ii) option C

(iii) option b

(iv) option d

(v) option b