+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
A local health care company wants to estimate the mean weekly elder day care cost. A sample of 10 facilities shows a mean of $250 per week with a standard deviation of $25. What is the 90 percent confidence interval for the population mean?
Statistics and Probability, Statistics
A company is considering replacing its fleet of jets with new ones, but only if they can reduce 5 days off the current 30 day delivery time. The company has purchased 5 new jets and done a sample of 15 trips. The sample ...
One? study, based on responses from 1,016 randomly selected? teenagers, concluded that 44?% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than h ...
According to national data, about 14% of American college students earn a graduate degree. Using this estimate, what is the probability that exactly 24 undergraduates in a random sample of 200 students will earn a colleg ...
A researcher randomly assigned 160 subjects into one of two groups: Atkins diet or Weight Watchers. The response variable was weight change in pounds after 6 weeks. The t-test results showed a p-value=.049. What can be c ...
There are 20 total socks, 10 white and 10 black. This makes 10 total matching pairs of 5 pair of white and 5 pair of black. If each time you pick a sock from the drawer a sock just like it magically replaces it, what is ...
An investment costs $60,096 and offers a return of 10 percent annually for ten years. What are the annual cash inflows anticipated from this investment? Use Appendix D to answer the question. Round your answer to the nea ...
We perform a statistical test to examine if the mean lifetime of lab mice increases when given vitamin B12 compared to a placebo. Which of the following is a Type I error? Conclude that Vitamin B12 increases the mean lif ...
Question 1 Let x represent the height of first graders in a class. This would be considered what type of variable: A)Continuous B)Discrete C)Nonsensical D)Lagging Question 2 Let x represent the height of corn in Oklahoma ...
1) Suppose we want to see if American children have higher levels of cholesterol than the average child (i.e., in the entire world - the total population). We find that the population average for cholesterol for children ...
How does the cost of capital affect capital investments that the firm makes? Cite examples.
Start excelling in your Courses, Get help with Assignment Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.
Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As