+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
Assume that your county's population is similar to the American population in age distribution. What are the mean and standard deviation of the sample proportion who are at least 75 years of age in samples of 250 respondents?
Statistics and Probability, Statistics
Determine the minimum sample size required when you want to be 98% confident that the sample mean is within two units of the population mean. Assume a standard deviation of 4.82 in a normally distributed population.
Consider a machine with exponential reliability model. Assume that the breakdown rate is 1 and the repair rate is 2. Calculate the probability that the machine is up for more than 10 units of time. Calculate the probabil ...
In a survey of 2936 adults, 1431 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. A 99% confidence interval for the population proportion is ( ...
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 ...
If a fair coin is tossed five times, what is the probability of tossing exactly three heads?
What is the theory behind callable bonds and when are they most likely to be called?
A study shows that 81% of the population of all calculus students consider calculus an exciting subject. Suppose 34 students are independently selected from the population. If the true percentage is really 81%, find the ...
"A population has a mean of 150 and a standard deviation of 21. If a random sample of 49 is taken, what is the probability that the sample mean is between 152.5 and 157.5 using z scores?"
A population has a mean μ=79 and a standard deviation σ=24. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=248 μx= ?Simplify your? answer. σx= rounded to three decimal ...
Research Scenario: Children who experience chronic pain as a result of medical procedures are the focus of a psychiatrist's study. Specifically, the psychiatrist wants to measure whether a new program helps decrease fee ...
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