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a teacher finds that the scores of a particularly difficult test were approximately normally distributed with a mean of
1 it is believed that 20 of voters in a certain city favor a tax increase for improved schools if this percentage is
as mu increases say to values greater than 30 the poisson distribution begins to be very similar to the normal with
the poisson distribution may also be used to find approximate binomial probabilities when nis large and p is small by
consider the poisson process earthquake occurrences in sec 631a is the probability of an occurrence in the next t years
in the search for a new quality-control specification for concrete more definitive than just a lower limit a
a manufacturer wants to have an existing column removed from a work area it will be necessary to remove two existing
a university published the following distribution of students enrolled in the various colleges1 construct a bar chart
1 calculate the mean and standard deviation of the following sample-1 4 5 02 the following is the distribution of ages
weekly closing prices of hewlett-packard stock from october 1995 to february 1996 are listed below given in sequential
most of the problems in this and other chapters deal with real data for which computations are most efficiently
the data set in table lists all cases of downs syndrome in victoria australia from 1942 through 1957 as well as the
pick a work of art from an artist using a non-traditional medium determine how its material medium supports the artists
can you show me how to establish this formula in excel along with the answera small grocery store is considering
a random sample of 27 items is drawn from a population whose standard deviation is unknown the sample mean isnbspnbsp
a population has a mean of 79 and a standard deviation of 27 what is the mean and standard deviation of a sampling
documented immigrants in the united states are less likely than undocumented immigrants to use and depend on social
a distribution has a mea of 9 and a standard deviation of 3 if you divide each score in the distribution by 3 what its
what is the difference between an intermediate appellate court and a high appellate court are they referred to by other
a sample of 1000 households was selected in los angeles to determine information concerning consumer behavior among the
time spent in days waiting for a kidney transplant for people ages 35-49 can be approximated by the normal distribution
a statistics professor takes two hockey sticks - brand a and brand b - to each game he plays since brand a is a newer
chris conducted an experiment to test whether the p53 expression is different between colon cancer and normal issues he
if 75 of all families spend more than 75 weekly for food while 15 spend more than 150 what is the mean weekly