ProbabilityHard
Question
A local post office is to send M telegrams which are distributed at random over N communication channels, (N > M). Each telegram is sent over any channel with equal probability. Chance that not more than one telegram will be sent over each channel is:
Options
A.
B.
C.
D.
Solution
Since line are more NCM are those lies where telegrams will go
NCM × M ! = far
Total = NM [As first telegram can go in any one of n lies]
[As 2nd telegram can go in any one of n lies]
P =
NCM × M ! = far
Total = NM [As first telegram can go in any one of n lies]
[As 2nd telegram can go in any one of n lies]
P =
Create a free account to view solution
View Solution FreeMore Probability Questions
A coin is tossed four times then the probability of obtaining at least one tail is -...Two dice are thrown together. The probability that the sum of their numbers be at least 5 is-...A bag contains (n + 1) coins. It is known that one of these coins has a head on both sides, whereas the other coins are ...A pack of cards contains 4 aces, 4 kings, 4 queens and 4 jacks. Two cards are drawn at random. The probability that at l...The remainder when 337 is divided by 80 is:-...