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are there situations for which the sampling distribution of a statistic consists of a single possible value which has
consider the population of net gains for tickets in the california decco lottery game described in examples 1 and 2 the
suppose that two fair dice are rolled and h higher of the two faces if both dice show the same value h is that value
suppose someone who takes a ten-question true-false test doesnt know any of the answers and randomly selects true or
refer to given exercise now define the statistic of interest to be the proportion correct x10 what is the mean of the
use the sample means applet described in section 911 and available on the companion website
use the related tvmeans appletuse the tvmeans applet which selects random samples from a population modeled by using
use the related tvmeans appletrefer to given exercise about the tvmeans applet assume that the sampling distribution of
for given example into what range of possible values should the sample proportion fall 95 of the time according to the
suppose you want to estimate the proportion of students at your college who are left-handed you decide to collect a
refer to given exercise suppose the truth is that 12 or 12 of the students are left-handed and you take a random sample
a recent gallup poll found that of 800 randomly selected drivers surveyed 70 thought that they were better-than average
according to the sacramento bee april 2 1998 p f5 a 1997-98 survey of 1027 americans conducted by the national sleep
home prices in a city have mean mu 200000 and standard deviation sigma 25000 for n 25 randomly selected homes the
explain whether or not each of the following would ever differ for two random samples of the same size from the same
draw a picture of each of the following distributions shade the area above the value given and label the proportion of
suppose that a random sample of 36 iq scores is drawn from a population of iq scores with mean 100 and standard
in each of the following situations which of the two distributions would be more spread outa standard normal
the mean iq score in a population is 100 a random sample of 25 iq scores is taken from this population and the values
the mean salary for a population of women who work in a traditional male job is 80000 a random sample of 100 women is
refer to given exercise suppose that allegations were made that the unknown population mean salary of women who work in
are there any finite values for which the area above that value is the same for all t-distributions if so specify the
draw a picture illustrating each of the following distributions showing the t-values marking the specified areas and
suppose that a simple random sample of n 2 numbers will be selected from the list of values 1 3 5 7 9a there are ten
suppose that a simple random sample of n 2 numbers will be selected from the list of values 1 2 3 4 5a there are ten