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consider a flask containing 1000 cubic centimeters of vaccine drawn from a vat that contains on the average 5 live
the items produced by a certain machine may be classified in 4 grades a e c and d it is known that these items are
a certain door-to-door salesman sells 3 sizes of brushes which he calls large extra large and giant he estimates that
consider a man who claims to be able to locate hidden sources of water by use of a divining rod to test his claim he is
in their paper testing the claims of a graphologist journal of personality vol 16 1947 pp 192-197 g r pascal and b
two athletic teams play a series of games the first team winning 4 games is the winner the world series is an example
suppose that 9 people chosen at random are asked if they favor a certain proposal find the probability that a majority
suppose that i 2 ii 3 restaurants compete for the same 10 patrons find the number of seats each restaurant should have
consider 3 urns urn i contains 1 white and 2 black balls urn ii contains 3 white and 2 black balls and urn iii contains
if you had to construct a mathematical model for events a and b as described below would it be appropriate to assume
suppose one makes n independent trials of an experiment whose probability of success at each trial is p show that the
suppose one performed a sequence of independent bernoulli trials in which the probability of success at each trial is p
consider a series of n independent repeated bernoulli trials at which the probability of success at each trial is p
find the number of children a couple should have in order that the probability of their having at least 2 boys will be
consider a family with 4 children and assume that each child has probability 051 of being a boy find the conditional
assuming that each dart has probability 020 of hitting its target find the conditional probability of obtaining 2 hits
a certain manufacturing process yields electrical fuses of which in the long run 15 are defective find the probability
a machine normally makes items of which 5 are defective the practice of the producer is to check the machine every
let a sample of size 4 be drawn with replacement without replacement from an urn containing 6 balls of which 4 are
a manufacturer of sports cars enters 3 drivers in a race let al be the event that driver 1 shows that is hemiddot is
let a and b be 2 independent events such that the probability is 13 that they will occur simultaneously and t that a
consider a man who has made 2 tosses of a die state whether each of the following six statements is true or falselet
the legitimate theater in new york gives both afternoon and evening performances on saturdays a man comes to new york
what is the probability that in a division of a deck of cards into 4 bridge hands 1 of the hands will contain i 13
prove that the probability of souths receiving exactly k aces when a bridge deck is divided into 4 hands is the same as