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What is the minimum sample size needed in order for you to be confident that your estimate is within 5 of ? Use the value for the population standard deviation of scores on this subsection.
Of the next 15 people that invest in this project, what is the probability that 5 or less people will result an annual net cash flow of at least $100,000.
Can you provide some pros and cons of using descriptive and inferential statistics to make managerial decisions.
Find out the slope, b, and the intercept, a, for the least-squares line. Write the equation of the least squares line.
The best estimator or appreciative of the population proportion is 0.45. How large must the sample be?
If alpha level is changed from a = 0.05 to a = 0.01. What occurs to boundaries for critical region?
In a recent year, the FCC reported that the mean wait for repairs for AT&T customers was 25.3 hours. In an effort to improve this service, suppose that a new repair service process was developed.
Discussion should include a critical reflection on the way in which you completed the market challenge element of the module.
Develop a 90 percent confidence interval for the proportion of applicants that fail the test. (Round your answers to 2 decimal places.)
A high school counselor is interested in the percentage of students who will be going to college. She randomly picks 60 students and finds that 53 will be going to college. Use a 95% confidence level to find the population proportion.
No more than 36% of the monthly gross income. what is the maximum monthly mortgage loan payment for which shawn can be approved?
A monthly report to the Texas Department of Health, division of Water Hygiene, contained the following water production data in thousands of gallons:
Calculate the test statistic for the claim in, using the following information. Sample information: A random sample of 40 repairs has a sample mean price of $132.09 and a sample standard deviation of $13.58.
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