N
Nisha
22 Apr 20

Question Of the Day

Three balls marked 1, 2 and 3 are placed in an urn. One ball is drawn, its number is recorded, then the ball is returned to the urn. This process is repeated two more times and each ball is equally likely to be drawn on each occasion. If the sum of the numbers recorded is 6, the probability that the ball numbered 2 was drawn at all three occasions is

A - 1/27
B - 1/7
C - 1/6
D - 1/3

Replies to this post

A
A

b

0
S
Sagar

C

0
M
Mohamed

D

0