Question

A bag contain 4 red balls and 6 white balls probabilty of either red or green

Answer 1

Red balls=4
white balls=6
green balls=0

P(r)=4/10

p(g)=0

p(w)=6/10

Probability for either red or green =p(r)=4/10

Hope it will help you.

Answer 2

Let A ={red balls}

Let B={green balls}

Let C={white balls}

P(A)=4/10

P(B)=0

P(C)=6/10