A bag contains 3 black and 4 red balls . Two balls are drawn at random one at a time without replacement. The probability that the first ball drawn is black if the second ball is known to be red is
Answers
Answered by
0
hsusiehehisneisjdbsk
black
Step-by-step explanation:
...................
...................
so simple
Answered by
0
black ball
Step-by-step explanation:
it is so simple
Similar questions