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A humane society claimes that less than 36% of U.S. households own a dog. In a random sample of 396 U.S. households, 151 say they own a dog. At x=0.04, is there enough evidence to support the society's claim?
a) Write the claim mathematically and identify Ho and Hab) Find the critical value(s) and identify the rejection region(s).c) Find the standard test statisticd) decide wheather to reject or fail to reject the null hypothesis.e) interpret the decision in the context of the original claim.
Do you know if there is any differences in the densities of a product at certain temperatures. Here is the data that I received. Tell me if there is any difference.
A consumer watchdog organization wants to see whether Bank N in the northern part of a state has a higher default rate than Bank S in the southern part of that same state.
A company manufacturers batteries in batches of 18 and there is a 3% rate of defects. Find the standard deviation for the number of defects per batch.
Jasmine is an African American graduate student. She is conducting research on the effects that affirmative action programs have had on American corporations.
Estimating the individual score using normal distribution - blood pressure higher than what amount?
In a certain city, 50 percent of the people consider themselves conservative (C), 25 percent consider themselves liberal (L), and 25 percent consider themselves to be independent (I).
Suppose you are on a test and are asked to determine whether the given experiment is binomial, Poisson, or neither. What are you going to think about to determine which test to use. Do you have a checklist? How would you approach this problem?
How many business majors would be required to evaluate mean salary to within 10 with 95% confidence if population standard deviation is %200.
The manufacture of the X-15 steel belted radial truck tire claims that the mean mileage the tire can be driven before the tread wears out is 60,000 miles.
Construction of frequency distribution table for the given continuous data.
Is there evidence of difference in mean life of bulbs produced by the two kinds of machines. What is your conclusion?
What is a test of a proportion and give an example. What test do you use when one sample is small and the other large?
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