a municipal council has installed 2000lamps with Mercury bulbs in the street of it's city. the life time of these bulbs are normally distributed with a mean of 1200 burning hours and having standard deviation of 200 hours. how many of these bulbs can be expected to fail​

answer:

i lost in getting someone back.

i learned that people are really two-faced and no matter how angelic someone appears they always have a devil side and that you cant trust anyone anymore no matter how dear they are to you.

if your wondering who it waz it waz mah still miss her tho

~batmans wife dun dun

answer:

it thinks that you spelled something wrong.

explanation: