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suppose that n tickets bear arbitrary numbers x1 x2xnnbsp which are not all the same suppose further that 2 of the
suppose that customers enter a certain shop at the rate of 30 persons an hour i what is the probability that during a
suppose that the telephone calls coming into a certain switchboard obey a poisson probability law at a rate of 16 calls
in a large fleet of delivery trucks the average number inoperative on any day because of repairs is 2 two standby
major motor failures occur among the buses of a large bus company at the rate of2 a day assuming that each motor
consider a restaurant located in the business section of a city how many seats should it have available if it wishes to
for each of the following numerical valued random phenomena state conditions under which it may be expected to obey
consider a radar set of a type whose failure law is exponential if radar sets of this type have a failure rate lambda
the lifetime in hours of a radio tube of a certain type obeys an exponential law with parameter i lambda 1000 ii
the customers of a certain newsboy arrive in accordance with a poisson probability law at a rate of 1 customer per
suppose that a certain digital computer which operates 24 hours a day suffers breakdowns at the rate of 025 per hour we
assume that the probability of failure of a ball bearing at any revolution is constant and equal to p what is the
a lepidopterist wishes to estimate the frequency with which an unusual form of a certain species of butterfly occurs in
consider a shop at which customers arrive at random at a rate of 30 per hour what fraction of the time intervals
in 10000 independent tosses of a coin 5075 heads were observed find approximately the probability of observing i
consider a room in which 730 persons are assembled for i 12 730 let ainbspbe the event that the ith person was born
plot the probability mass function of the binomial probability law with parameters n 10 and p frac12 against its
find the probability that in 3600 independent repeated trials of an experiment in which the probability of success of
a certain corporation has 90 junior executives assume that the probability is 110 that an executive will require the
suppose that i 2 ii 3 restaurants compete for the same 800 patrons find the number of seats that each restaurant should
at a certain mens college the probability that a student selected at random on a given day will require a hospital bed
in his book natural inheritance p 63 f galton in 1889 described an apparatus known today as galtons quincunx the
consider a liquid of volume v which contains n bacteria let the liquid be vigorously shaken and part of it transferred
a problem of aerial search state conditions for the validity of the following assertion if n ships are distributed at
the number of matches approximately obeys a poisson probability law consider the number of matches obtained by