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tell whether each of the following involves a categorical variable a discrete quantitative variable or a continuous
for each of the following situations tell whether the two probabilities should be equala the probability of a student
a survey of households in a farming village in nepal asked do women from your household collect firewood and how many
the random variable x for number of heads in a single coin toss has possible values 0 and 1 each with probability 05a
suppose a waitresss tips average 40 a day with a standard deviation of 10 a busboy earns 50 a day plus 20 of the
the average number of hours worked per week for married men in the early 1990s had a mean of 426 and a standard
tell whether each of these random variables is binomial if not tell which condition is not met fixed sample size n
in 1988 the probability of a college student being part-time was 043 for part-time students the probability of being
an internet review of home pregnancy tests reports home pregnancy testing kits usually claim accuracy of over 95
gonorrhea is a common infectious disease in 1999 the rate of reported gonorrhea infections was 1322 per 100000 persons
for the various organ transplants performed in the united states in 2003 the probability of surviving for at least a
this table shows probabilities of college freshmen in 1970 and in 2003 calling themselves liberal being in favor of
this table shows the number of homicide victims in the united states in 2001 for four genderrace groups as well as the
this table classifies wartime veterans as of the year 2003 by their age and the war in which they served the data are
according to the us statistical abstract for the millions of illegal immigrants coming to the united states in 2000 the
this table provides information on estimated probabilities of unauthorized immigrants in the year 2000 coming from
if an american woman is chosen at random the number of days x that she typically works in a week is a random variable a
if a high school student is chosen at random the students year of study x is a random variablea what are the possible
in the american nurses association online health and safety survey of 2001 participants were asked in the past year
of the estimated 105397000 popular votes cast in the 2000 presidential election 50992000 were democratic and 50455000
assuming iq scores have mean 100 and standard deviation 15 if we randomly sample 225 peoples scores the probability of
weights of 1-year-old male children are fairly normal with mean 26 pounds standard deviation 3 pounds if we randomly
this table shows proportions of college freshmen in 1970 and in 2003 with various average grades in high schoola is the
a new york times article from june 1 2004 entitled new york fiction by the numbers tells about an undergraduate