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The Mars twin rovers, Spirit and Opportunity, which roamed the surface of Mars in the winter of 2004, found evidence that there was once water on Mars, raising the possibility that there was once life on the plant. Do you think that the United States should pursue a program to send humans to Mars? An opinion poll3 indicated that 49% of the 1093 adults surveyed think that we should pursue such a program.
a. Estimate the proportion of all Americans who think that the United States should pursue a program to send humans to Mars. Find a bound on the error of estimation.
b. The poll actually asked several questions. If we wanted to report an error of estimation that would be valid for all of the questions on the poll, what value should we use?
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
The important thing is having a reason for picking the model that you decide on. You should choose a model for overall characteristics like a high R^2 value. Y
The sample mean life is 805 hours with 64 hours of the sample standard deviation. Is there enough evidence to conclude that the manufacturer's claim is true at the 5% significance level?
If S exists, then S(x, y) = 0 ∈ R. Then by Problem 4 there must be neighborhoods U of x and V of y in K such that S(u, v) ∈ R and |S(u, v)| 1 for all u ∈ U and v ∈ V . Show, however, that each of U and V contains real numbers of arbitrarily l..
a health researcher plans to conduct a mail survey of a sample of us doctors to ask about their attitudes toward drug
a couple having twins is deciding on names. they narrowed their search down to 5 boys names and 7 girl names. the new
The mean weight was 150 grams, and the mode weight was 110 grams. What is the only sequence of seven weights to fit this description?
The manager of the greeting card section of Mazey's department store is considering her order for a particular line of Christmas Cards. Develop the payoff table for this decision situations.
What is the average monthly amount charge? What percent of monthly charges are between $600 and $ $889 What percent of monthly charges is less than $100.
a market research firm did a report about the residential telephone numbers in new york state which says 54 of all
Find the evaluation score confidence intervals for the following two departments: Department 1 and Department 4 combined. Find the confidence interval at the 95% level. Use s = 6.06 and the mean 17.625.
Find the critical F value for the Following,
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