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a survey of 3000 teenagers in 2005 found that 080 believed in god and 018 did not attend religious services is this
the mean price paid for an ounce of gold in 2003 was 350a tell whether 350 is a sample mean or a population mean and
suppose we are interested in the behavior of sample mean amount borrowed by undergraduates for college tuition for
suppose we are interested in the behavior of sample mean age of college undergraduates for random samples of a certain
the numbers 1 through 10 have a mean of 55 and a standard deviation of 29 the shape of the distribution is uniformly
assume heights of adult males have a mean of 69 inches tell whether each of the following distributions would be
assume weights of women in their thirties to have a standard deviation of 33 pounds tell the standard deviation of each
tell whether each of these distributions would have a histogram that is extremely left-skewed somewhat left-skewed
the distribution of hours worked per week by wives in the united states in the early 1990s had a mean of 260 and a
the president of a citys downtown council hosted a meeting with 800 participants on january 27 2005 and was curious
a study of organized hiking groups to grand canyon national park in the 1980s concluded that 15 of all group leaders
a study of hikers in grand canyon national park in the 1980s concluded that 30 of all hikers express a preference for
suppose we are interested in the behavior of sample proportion of all college students who are over the age of 25 for
at a large university the graduation rate for the general student body was reported to be 066 consider the distribution
at a large university the graduation rate for the general student body was reported to be 066 for two of the following
for one of the situations in the preceding exercise we can use this chapters methods to find the probability in
at a large university the graduation rate for student athletes was reported to be 061 consider the distribution of
at a large university the graduation rate for student athletes was reported to be 061 for two of the following we
a survey of high school students inquires about siblingsa if a question asks how many siblings each student has would
ninety percent of all drug seizures are of cannabis marijuana or hashish the remaining 10 involve a variety of other
assuming the proportion of all potential jury members who are women is 050 we would like to see how unlikely it is that
suppose the proportion of blacks selected for a jury in connecticut is considered in order to decide if it is plausible
what weight is to be considered average in a population may change over time if researchers must be sure to keep such
for each of the following situations choose one of these as an appropriate display single pie chart bar graph histogram