in probability, in the video the red colourd balls were denoted as R1,R2,R3, THEN WHY DIDNT IN THE EXAMPLE 1 - Maths - Probability

Question

in probability, in the video the red colourd balls were denoted
as R1,R2,R3, THEN WHY DIDNT IN THE EXAMPLE 1 WE TOOK RED BALL AS
ONE SINGLE CASE, WHY NOT R1,R2 ,R3 ,R4

Aakash Sharma · Accepted Answer

I could not interpret your query since there are no red balls in
the mentioned video Please be a little specific so that I could
provide you meaningful help

in probability, in the video the red colourd balls were denoted as R1,R2,R3, THEN WHY DIDNT IN THE EXAMPLE 1 WE TOOK RED BALL AS ONE SINGLE CASE, WHY NOT R1,R2 ,R3 ,R4