Could not understand how to solve the question 10.
Could not understand
In 1st bag—> Put 1 red ball
In 2nd bag—> Put the remaining 50 blue+49 red balls.
In this way
P(Red ball)= 1/21 + 1/249/99
= 0.5 + 0.24747
= 0.7475
Could not understand how to solve the question 10.
In 1st bag—> Put 1 red ball
In 2nd bag—> Put the remaining 50 blue+49 red balls.
In this way
P(Red ball)= 1/21 + 1/249/99
= 0.5 + 0.24747
= 0.7475