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A study showed that 65% of the nation believes we are still in a recession. In a class of 20 students what is the probability that all of the class believe we are in the recession? Please show work to verify answer.
If she actually has 55% of the total vote, what is the probability of getting a sample proportion this small or smaller? Do you think she actually has 55% of the vote? Why or why not?
At the .05 significance level, is the number of units produced on the afternoon shift larger?
Choose any Statistic business problem and develop a problem statement which can be addressed with survey research. Prepare a 10-13 question survey to collect primary data regarding your selected problem statement.
consider the following shortest-route problem involving six cities with the distances given.path distance1 to 2 31 to 3
Provide two examples for each source of measurement error and include how each example might likely influence research results.
the number of o-ring failures for the first 23 flights of the us space shuttle challenger were0 1 0 na 0 0 0 0 0 1 1 1
State along statistical certainty there is a difference among the population proportions of those favoring Statement.
it is known that 60 of all students at a large university are female. a random sample of 8 students is selected.
a supervisor in the department of rehabilitive services is critical of the performance of one of her counselors. the
an urn contains four red chips three white chips and two blue chips. a random sample size of 3 is drawn without
Assume that your county's population is similar to the American population in age distribution. What are the mean and standard deviation of the proportion P^ who are at least 75 years of age in samples of 150 respondents?
If an original set of measurements is made in inches and has mean of 36 and variance of 144, what will be the mean, variance, and standard deviation if:
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