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A medical researcher studied a strain of bacteria that is resistant to antibiotics. She prepared 40 cultures of the strain and subjected them all to a new antibiotic. After 48 hours, she classified each culture as either alive or dead. She constructed a 95% confidence interval for the proportion of cultures that are alive after 48 hours and got (0.828, 0.872). Which of the following is the most appropriate way to report or interpret this confidence interval?
Options:
The concessions manager at the Clemson vs. USC football game must decide whether to have the vendors sell sun visors or umbrellas. There is a 30% chance of rain
In a survey of adults, 68% thought that DNA test for identifying an individual were very reliable. You randomly select 24 adults and ask each if he or she thinks DNA test for identifying an individual are very reliable.
given a koi population that is 55 male and that 1 out of every 3 males is yellow while only 1 out of every 5 females is
What are the null and alternative hypotheses? In what way do the two estimates of the defect rate in question 3g differ?
Explain the meaning of the conditional mean of the dependent variable in the population regression function. Illustrate using an example.
the assessment data were gathered from 20 homes in milwaukee wisconsinneighborhood. fit the regression model.total
Use an Excel spreadsheet to determine the dollar net cash flows (after making the debt payment) that you would receive at the end of each of the last 7 years if you partially ?nanced the project by bor- rowing dollars.
Gas station sells 1400 gallons of gasoline per hour if it charges $ 2.05 per gallon but only 1100 gallons per hour if it charges $ 2.95 per gallon. What should gasoline price be to sell 1000 gallons per hour?
She wants to have an estimate that is within 2 percentage points of the true proportion with probability = .99. How many registered voters must be interviewed, based on the asymptotic distribution of X?
In a sample of 200 women, 144 of them said they were in debt. Test the claim that women are in deeper debt than men, at a=0.01.
the weights of ripe watermelons grown at mr. smiths farm are normally distributed with a standard deviation of 2.7 lb.
Provide a 95% confidence interval for the population proportion of college students who work to pay for tuition and living expenses.
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