+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
The salary of police officers is normally distributed with a mean of $62000 per year and a standard deviation of $5000 per year. what percentof police officers make: what salary represents the top 5%?
Statistics and Probability, Statistics
The mean height of women in a country? (ages 20-?29) is 63.5 inches. A random sample of 65 women in this age group is selected. What is the probability that the mean height for the sample is greater than 64 ?inches? Assu ...
A statistics student has collected data from a random sample of 20 college students at his school. He collected data on many variables including GPA (grade point average) and how many hours per week they play video games ...
Do you have a credit card or use some other form of consumer credit? Identify what you currently use, if any. If you do not use credit, discuss a type of credit that you might consider in the future. What advantages does ...
A researcher records the sound (in decibels) during a series of lessons taught by a substitute teacher at a local elementary school. In his study, he found that the sound was 20±2 (M±SD) decibels. Assuming the data are n ...
15-18 years 4 19-22 years 5 23-26 years 6 27-30 years 9 31-34 years 2 35-38 years 7 Based on the frequency distribution above, find the relative frequency for the class 15-18 . Relative Frequency = % Give your answer ...
The bold and italics portion is as far as I've gotten with the equation. Help me finish? And am I on the right track? A survey showed that 1200 of the 1600 adult respondents believe in global warming. (a) Construct a 95% ...
Please help me solve this. Use a normal approximation to find the probability of the indicated number of voters. In this? case, assume that 157 eligible voters aged? 18-24 are randomly selected. Suppose a previous study ...
Let's pretend that in a hospital, 7% of patients are "high-risk" while the others are "lower-risk". For patients that are high-risk, 75% will be re-admitted within 30 days. For "lower-risk" patients, the 30day re-admitta ...
The Glen arboretum wants to start removing invasive Norway Maple trees. To determine just how bad the problem is you set up five plots that are three meters on each side. You find that your plots have 2, 5, 9, 1, and 3 N ...
Let random variable x represent the number of heads when a fair coin is tossed two times. (a) Construct a table describing the probability distribution. x P(x) 0 1 2 (b) Determine the mean and standard deviation o ...
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