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in an experiment to compare two different materials a and b that might be used for manufacturing the heels of men dress
consider again the data in example i test the hypotheses 1 by applying the kolmogorov-smirnov test for two
test the hypothesis that the 50 values in table 926 form a random sample from a normal distribution for which the mean
find the probability that n observations in the random sample will be smaller than
use the table of random digits given at the end of this book to obtain a sample of 15 independent observations in which
repeat exercise 4 ten times using different random digits each time in other words construct ten independent samples
suppose that five persons shoot at a target suppose also that for i 1 bullbull 5 person i shoots n times and hits the
suppose that 100 students in a physical-education class shoot at a target with a bow and arrow and that 27 students hit
as people entered a certain meeting i persons were selected at random and each was asked either to name one of two
consider two populations i and ii suppose that 80 percent of the men and 30 percent of the women in population 1 have a
suppose that each adult subject in an experiment is given either treatment i or treatment ii prove that the proportion
it was believed that a certain university was discriminating against women in its admissions policy because 30 percent
test the hypothesis that the 25 values in table 925 form a random sample from a uniform distribution on the interval 0
investigate the randomness of the table of random digits given at the end of this book by regarding the 200 digits in
according to a simple genetic principle if both the mother and the father of a child have genotype aa then there is
it is known that 30 percent of small steel rods produced by a standard process will break when subjected to a load of
in a random sample of 1800 observed values from the interval 01 it was found that 391 values were between 0 and 02 that
the 50 values in table 91 are intended to be a random sample from a amp39 standard normal distributiona carry out a
consider a two-way contingency table with three rows and three columns suppose that for i 1 2 3 and j 1 2 3 the
for time-invariant systems show that a b is controllable if and only if -a b is controllable is this true for
a right-hand circularly polarized uniform plane wave traveling in air is incident normally on a flat and smooth water
consider the probability distribution of the discrete random vector xy where x represents the number of oders in august
you have two biased coins coin a comes up heads with probability frac14 coin bcomes up heads with probability frac34
find the state feedback gain for the state equationso that the resulting system has eigenvalues -2 and -1 plusmn j1 use
consider the discrete-time state equation in problem 88 let uk - kxk where p is a feedforward gain for the k in problem