Question

A bag contains red and green balls. If we take a ball from

it, without looking, the probability of getting a red ball

is 1/4

a)What is the total number of balls, if there are 8 red

balls?

b)What is the probability of that ball taken is green?

c)Find the sum of both the probabilities?

Answer 1

Answer:

a) 32 balls

b) 3/4

c)4/4

Step-by-step explanation:

hope it helps

Answer 2

Step-by-step explanation:

5

White

6

Red

9

Green

Total number of balls =5+6+9

=20

(i) Probability =

Total cases

favourable cases

P(Green) =

20

9

(ii) P(White or red) =

20

5+6

20

11

(iii) P(neither green nor white) = P(Red)

20

6

10

3