Share:
Notifications
Clear all

A bag contains 11 working bulb and 5 defective bulbs. Find the probability that 4 bulbs are working and 3 bulbs are defective when 7 bulbs are drawn at random.

 
Ashish Dubey
(@ashishd)
Estimable Member

A bag contains 11 working bulb and 5 defective bulbs. Find the probability that 4 bulbs are working and 3 bulbs are defective when 7 bulbs are drawn at random.

a) 16/52
b) 11/52
c) 15/52
d) 10/52
e) None of these

Quote
Topic starter Posted : 13/03/2021 8:10 pm
Rahul Singh
(@rahul)
Admin

ReplyQuote
Posted : 21/03/2021 11:46 pm
Share: