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As part of their business promotional package, the Milwaukee Chamber of Commerce would like an estimate of the mean cost per month of a one-bedroom apartment. A random sample of 40 apartments currently available for lease showed the mean cost per month was $323. The standard deviation of the sample was $25.
a. Develop a 98 percent confidence interval for the population mean.
b. Would it be reasonable to conclude that the population mean is $350 per month?
A sales person at a company sold 6,903,435 of hardware equipment last year, a figure that represented the eighth decile of sales performance at the company. What can you conclude about the salesperson performance?
a test for a certain disease is found to be 96 accurate meaning that it will correctly diagnose the disease in 96 out
A production process produces 90% non-defective parts. A sample of 10 parts from the production process is selected. What is the probability that the sample will contain 7 non-defective parts?
Determine the p-value; and at 95% confidence, test the above hypotheses.
A fair, six-sided die is rolled 3 times. What is the probability of getting a 5 or greater on exactly two of the rolls? Example: According to the Facts 2006 webpage, 53% of UI students are men.
Estimate the true proportion of college students who believe in the possibilty of haunted places with 99% confidence.
What is the 95% confidence interval for the proportion of smokers in the population (to 4 decimals)?
Determine the estimated population mean?
Use information from the modular background readings as well as any good quality resource you can find. Please cite all sources and provide a reference list at the end of your paper.
A company's employees are working to create a new energy bar. They would like the two key ingredients to be peanut butter and oats, and they want to make sure they have enough carbohydrates and protein in the bar to supply the athlete.
Airplaneflight during the last year. If we take a random sample of 40 adults, the probability is 0.37 that the sample proportion is greater than what number.
Calculate and interpret the appropriate statistical test to determine the relationship between the following two variables. Use the five-step model of hypothesis testing to draw conclusions at the .05 level of significance
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