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The Right to Vote (and not to wait) In the previous two presidential elections in the United States, very long wait times have been witnessed at precincts (voting stations) in states that ultimately decided the election (Florida in 2000 and Ohio in 2004). In Philadelphia as well, some voters complained about the long lines in some precincts, with most complaints coming from precinct A. In 2004, the average number of voters arriving at Precinct A was 35 per hour, and the arrivals of voters were random with inter--arrival times that had a coefficient of variation of 1 (CVa=1). Philadelphia had deployed 1 voting machine in Precinct A. Suppose that each voter spent on average of 100 seconds in the voting booth (this is the time needed to cast her/his vote using a voting machine), with a standard deviation of 120 seconds. RTV1. How long on average did a voter have to wait in line precinct at A in 2004 before entering in a booth to cast her/his vote?
Compute the confidence intervals of your data from the Week 4 Learning Team paper. Based on your confidence intervals.
a debt collection company has been monitoring the amount of time its bill collectors spend on calls that produce
A recent article in theWall Street Journal reported that the prime rate for large banks now exceeds 9 percent. A sample of eight small banks in the Midwest revealed the following prime rates (in percent):
suppose it is known that 10 of people who play poker machines have a gambling problem. suppose it is also known that 20
What probability P could make Stephanie become indifferent between getting $130 for sure or taking the following gamble?
A certain airplane has two alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is.02.
Record the type of research design used. True lab experiment, quasi-experiment, field experiment, or correlation design.
a school has three tenth grade classes. all three classes took the same physics test. the mean score for the three
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Which of these measurement scales (nominal, ordinal, interval and ratio) can be handled through hypothesis testing? What are the five steps in hypothesis testing? Is the order important? Why or why not?
In a sample of 32 DVD players, what is the probability the average life will be less than 8 years (96 months)? (please round your answer to 4 decimal places).
what is the net level premium for a 1000 face amount three-year term policy for a 50-year-old male assuming an interest
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