Question

a bag contains 31 ball out of which x are red.a ball is drawn at random from a bag find the probability that it is
1.red
2.not red​

Answer 1

Answer:

1. x/31

2. (x-31)/31

Explanation:

probability of a event = (no.of favorable causes)/ Total no.events

Answer 2

Explanation:

very easy

let X for red balls

total balls = 31

not red balls = 31- X

1... X/31

2.. 31-X/ 31

maybe this will this be helpful for you