A bag has 4 red balls,5 black balls find probability of:-
(a) a black balls (b) a red balls
Answers
Answered by
3
Step-by-step explanation:
probability = no. of favourable outcomes/total no. of outcomes
a. = a black ball = 1 , no. of all outcomes = 5+4=9
= 1/9
b. same with red balls
= 1/9
Similar questions