wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A box contains 6 red and 4 white marbles. A marble is drawn and replaced three times from the box. The probability that two white marbles are drawn

A
34/125
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
36/125
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
38/125
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
32/125
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 36/125
Total balls are = 6 Red and 4 White marbles = 10 balls
Case when two white marble is drawn = 2 White and 1 Red marbles
W W R; W R W; R W W
Probability that one white marble is drawn = 3×(4C110C1)×(4C110C1)×(6C110C1)=36125

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Theoretical Probability
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon