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The National Park Service has started charging a user fee to park at selected trailheads and crosscountry ski lots. Some users object to this fee, claiming they already pay taxes for these areas. The agency has decided to randomly question selected users at fee areas in Colorado to assess the level of concern.
a. Define the population of interest.
b. Assume a sample of 250 is required. Describe the technique you would use to select a sample from the population. Which sampling technique did you suggest?
c. Assume the population of users is 4,000. Use either Minitab or Excel to generate a list of users to be selected for the sample.
telephone calls arrive at the information desk of a large computer software company at a rate of 15 per hour.a what is
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Conclude that the population average pulse rate is 71.8. Reject the hypothesis that the population average pulse rate is 70.
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Develop and discuss a relationship that can be modeled with a simple regression - State the model in mathematical terms.
While 290 out of 400 in Batavia preferred the same flavor. To test the hypothesis that there was no difference in preferences in the two towns, what is the alternate hypothesis?
a random sample of 121 checking accounts at a bank showed an average daily balance of 280. the population standard
q1. consider the following stem and leaf plotstemnbspnbspnbspnbspnbspnbsp leaf1 nbsp nbsp nbsp nbsp 0 2 5 72 nbsp nbsp
henry lom feels that the quantity of chocolates in a particular type of packet has decreased. to test this feeling he
Suppose that we want to conduct a study to estimate and confirm this rate to identify nodal metastases among breast cancer patients because previous estimates were all based on rather small samples. How many patients are needed to confirm this 90%..
Test at the .05 significance level the null hypothesis that the population proportions are equal against the two-tailed alternative.
a machine is designed to fill some snack-sized potato chips with normally distributed weights with a mean of 6 oz. and
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