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Question: Four hundred people were selected from each of the four geographic regions (Midwest, Northeast, South, West) of the United States, and they were asked which form of camping they prefer. The choices were pop-up camper/trailer, family style (tenting with sanitary facilities), rustic (tenting, no sanitary facilities), or none. The results of the survey are shown in the following table.
Based on the evidence from these samples, can you conclude that the distributions of favorite forms of camping are different for at least two of the regions? Use α = .01.
The total profit (in dollars) for sales of x rowing machines is given by P(x) = -0.2x^2 + 300x - 200. What is the profit if 500 are sold? For what value of x will the profit be at a maximum?
a large city claims that it provides free lunch to more than 30 of its elementary school students. a researcher selects
If you draw a ball, record the color then draw a second without replacing the first ball, what is the probability of choosing two green balls?
A cold and flu study is looking at how two different medications work on sore throats and fever. Analyze the data and explain which one would be the better medication for both a sore throat and a fever
Construct a 95% confidence interval for the mean of the population sampled. What's the maximum error of estimate of the mean - Construct a 97.5% confidence interval for the mean of the population sampled. What's the maximum error of estimate of th..
buses arrive at a certain stop every 15 min starting at 7 a.m. a passenger arrives at the stop at a time that is
Determine the Midrange. Determine the Standard Variance. Determine the Standard Deviation
Suppose that a random sample of 14 cars shows an average speed of 24.0 mph, with a sample standard deviation of 2.2 mph. Assume that the speeds of cars are normally distributed. Using the T-table, what is the p-value?
what is the probability that student from this class will pass not fail?a 0.45b 0.60c 0.72d
the mean weight of loads of rock is 50.0 tons with a standard deviation of 12.0 tons. if 16 loads are chosen at random
question a researcher is interested in comparing tastiness of different kinds of cheese in grilled cheese sandwiches.
comparison of the degree of linear correlation are considered most accurate in terms ofa. the standardized regression
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