alirezabzrf
New member
- Joined
- Nov 11, 2021
- Messages
- 3
Hi
we have a two Plate , inside of plate we have 2 type of ball . ( i show you White ball with "w" and Black ball with "b" in text )
\_w w w w w_______ b b b b b b b_/ ---- \_w w w___________b b b b b b b b b b b b_/
- (A) ------------------------------------------ (B)
and we have a coin for Heads or Tails .
if coin is tails we choose a ball from (B) plate
and
if coin is heads we choose a ball from (A) plate
Assuming that if the choose ball is white how much The possibility that coin is Tails ?
A) 0.35 - B) 0.27 - C) 0.32 - D) 0.29
please write your solution
thanks
we have a two Plate , inside of plate we have 2 type of ball . ( i show you White ball with "w" and Black ball with "b" in text )
\_w w w w w_______ b b b b b b b_/ ---- \_w w w___________b b b b b b b b b b b b_/
- (A) ------------------------------------------ (B)
and we have a coin for Heads or Tails .
if coin is tails we choose a ball from (B) plate
and
if coin is heads we choose a ball from (A) plate
Assuming that if the choose ball is white how much The possibility that coin is Tails ?
A) 0.35 - B) 0.27 - C) 0.32 - D) 0.29
please write your solution
thanks