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The national unemployment rate in a recent month was 4.9 percent. You think the rate may be different in your city, so you plan a sample survey that will ask the same questions as the Current Population Survey. Consider p as the local employment rate. Identify the null and the alternative hypotheses that you will test to see if the local rate differs significantly from 4.9 percent.
H0: p = 0.049, Ha: p < 0.049 H0: p = 0.049, Ha: p = 0.049
H0: p = 0.049, Ha: p > 0.049
Can the researcher’s claim that their drug was successful and describe your answer.
in automobile manufacturer has determined that 30 of all gas tanks that were installed on its 2002 compact model are
Information on a packet of seeds claims that the germination rate is 92%. The packet contains 160 seeds. We will treat the packet as a random sample of seeds. Find the standard error of the proportion. Show 4 decimal places in your answer.
what is the purpose of using regression analysis? how may it be used to formulate strategies? provide examples related
About 35.9% of all charitable contributions are made to religious organizations. In 2003, about $86.4 billion was given to religious organizaions. How much was given to charities in general, given the aforementioned data?
Round your answer to 4 decimal places. Remember to round your z-value to 2 decimal places.
the speed of a stream is 6 mph. if a boat travels 54 miles downstream in the same time that it takes to travel 27 miles upstream, what is the speed of the boat in still water?
Construct examples showing that every possible connectivity number occurs (for graphs regular of degree 3):(Kappa) = 0, 1, 2, 3. Kappa = connectivity
Let u = [2,1,1]^T, v = [1,3,2]^T (i.e. they are column vectors). Caclulate v^Tu and uv^T. Show that u is an eigenvector of the matrix uv^T and calculate its eigenvalue.
the permit fees are $200 for first $10,000 + $16 for each additional $1,000, or fraction thereof, to and including $25,000. How to convert this to an algebraic expression.
You have just graduated from LUMS with a very respectable CGPA and are now applying for jobs. Suppose you have 10 copies of your CV, each customized for a particular job description.
a rancher wants to use 300 feet of fencing to enclose a rectangular area of 4400 square feet. what dimensions should the rectangle have?
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