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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
the incidence of polio during the years 1949-1954 was approximately 25 per 100000 population in a city of 40000 what is
a manufacturer of wool blankets inspects the blankets by counting the number of defects a defect may be a tear an oil
bank tellers in a certain bank make errors in entering figures in their ledgers at the rate of 075 error per page of
a shirt manufacturer determines by observation that the circumference of the neck of a college man is a random
a machine produces bolts in a length in inches found to obey a normal probability law with parameters m 10 and sigma
an urn contains m balls numbered i to m two balls are drawn 1 after the other with replacement without replacement
consider a square sheet of tin 20 inches wide that contains 10 rows and 10 columns of circular holes each i inch in
compute the characteristic function of a random variable x that has as its probability law i the binomial distribution
in exercises consider an urn containing 12 balls numbered 1 to 12 further the balls numbered 1 to 8 are white and the
the time measured in minutes required by a certain man to travel from his horne to a train station is a random
a radio station broadcasts the correct time every hour on the hour between the hours of 6 am and 12 midnight what is
the circumference of a wheel is divided into 37 arcs of equal length which are numbered 0 to 36 this is the principle
a parachutist lands on the line connecting 2 towns a and b suppose that the point at which he lands obeys a uniform
an angle 8 is chosen from the interval -1t2 to 7t2 by a random mechanism that obeys a uniform probability law over the