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Ten voters are randomly selected and asked if they will vote for the incumbent President. Five said yes and three said no. Two students are randomly selected with no replacement between the selections.
a)Draw a tree diagram for the two draws and indicate the probabilites.
b) What is the probability that two students will say yes?
c) What is the probability that two will say no?
d) What is the probability that the selection ends up with a one yes and one no?
e) What is the probability that the second says yes after the first said no?
Find a 95% confidence interval for the mean monthly rent for unfurnished one-bedroom apartments available for rent in this community.
write a hypothesis for the following statementsa. the health department is charged with finding out if the rate
an ad is placed in newspapers in four counties asking for volunteers to test a new medication for reducing blood
question 1 find the mean and standard deviation of the number of cars that have more than 1 passenger among the 500
Describe the optimal solution to a linear programming problem. comprise the following constraints from a two -variable linear program.
Create a 95% confidence interval for the population mean days absent for sickness based on this sample. Select the answer closest to your results.
Calculate the 95% confidence maximum error of estimate for a binomial experiment of 1027 trials that result in an observed proportion of .47.
Describe what assumptions must be met to use this test. Finally, where in your course project data set might you employ a paired t-Test?
Find the probability that exactly 8 out of the 10 consumers recognize the brand name. Also find the probability that the number who recognize the brand name is not 8.
Card holders should be sampled to meet the original requirements of the sample. Then explain the trade-offs that will occur when you lower the sample to $10,000 to meet their budget.
In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of interest was the diameter of skin test reaction to an antigen.
Prepare a 95% confidence interval for the average grocery bill. Would a 99% confidence interval be narrower or wider than the 95% confidence interval?
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