Question

a basket contains 7 red balls 3 Green balls and 5 yellow balls what is the probability of obtaining a red ball if two blue balls are added to the basket and 3 red balls are painted blue find the probability of obtaining a blue ball​

Answer 1

Answer:

Step-by-step explanation:

Total no of balls =7+5+3=15

After adding two blue balls= 15+2=17

Red balls=7 but 3 are painted blue then

Red balls =7-3=4

Probability = 4/17

Total blue balls = 2+3=5

Probability = 5/17

Answer 2

Answer:

Step-by-step explanation: