+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
Let z be a random variable with a standard normal distribution and let x be a random variable with normal distribution having standard deviation 1.5 and mean 2.9. Find the Following:
P(2.14 < z < 4.04)
Statistics and Probability, Statistics
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 ...
In a survey of 3439 adults, 1418 say they have started paying bills online in the last year. Construct a? 99% confidence interval for the population proportion. Interpret the results.
Sal's Market receives a box of Jen & Barry's Fast Fresh Salad BagsTM. Each box contains 16 Caesar salad bags, 20 tossed salad bags, and 12 shredded cabbage bags. Suppose that each type salad bag has an equal chance of be ...
Recent test scores on the Law School Admission Test (LSAT) are normally distributed with a mean of 162.4 and a standard deviation of 15.9. What is the probability that the mean of 12 randomly selected scores is less than ...
What is the appropriate statistical analysis to use: t-test for two independent samples, t-test for dependent samples, ANOVA, or chi-square test of independence? Please identify and explain why it is appropriate. (a) A s ...
In a recent year, 8,032,844 male students and 9,381,579 female students were enrolled as undergraduates. Receiving aid were 64.1% of the male students and 65.7% of the female students. Of those receiving aid, 41% of the ...
1. Given the following capital project data Cost of automation system (invoice):$730,000 Transportation and installation:$140,000 Training:$100,000 Firm's WACC:9% Firm's tax rate:35% Depreciation 5 years, straight line L ...
The random variable X takes on the values 5, 20, 30, and 200 with probabilites 0.60, 0.30, 0.08, and 0.02 respectively. Use the statistical capacity of your calculator to find the expected value of X rounded to one p ...
The sample distribution on individual IQ scores (raw scores) has a sample mean of 100 and a standard deviation of 16. What proportion of the sample mean will fall at or above a mean of 102.56? Round the answers to no mor ...
For an environmental group, it is known that 75% of their door-to-door solicitations result in a donation of some kind. Find the probability that... (Hint: first determine what is a 'success' and what is a 'failure' base ...
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