Consider the following hypotheses.
Upper H0: p≤0.25
Upper H1: p>0.25
Given that p=0.3, n=110, and α=0.05 answer the following questions.
a. What conclusion should be drawn?
b. Determine the p-value for this test.
In: Statistics and Probability
A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n independent trials of he experiment.
n=9, p=0.3, x≤3
The probabity of x≤3 succenses is _______ (Round to four decimal places as needed.)
In: Statistics and Probability
If a cylindrical steel pressure vessel has a 400-mm inner radius and 8-mm-thick walls. Find the change (mm) in the inner radius when the vessel is pressurized to 1.2 MPa. Use E = 200 GPa and v = 0.3 for steel.
In: Civil Engineering
JB Co. is planning to invest in a new koala theme park. The investment will generate $4.5 million p.a. for 15 years with the first cash inflow received in one year's time. The required rate of return for this type of investment is expected to be 6% p.a. for years 1-9 rising to 11% p.a. for years 10-15. What is the most JB Co. should pay for this investment now?
In: Finance
|
The NuPress Valet Co. has an improved version of its hotel stand. The investment cost is expected to be $72 million and will return $13.5 million for 5 years in net cash flows. The ratio of debt to equity is 1 to 1. The cost of equity is 13%, the cost of debt is 9%, and the tax rate is 34%. The appropriate discount rate, assuming average risk, is: |
| 9% | |
| 9.47% | |
| 8.65% | |
| 13% | |
| 10.5% |
In: Finance
In: Operations Management
The new Ocean FasTrack (Standard, Deluxe, Grand) is available for both children and adults at HK$280, HK$400 and HK$520 respectively. These FasTrack can enable holders enjoy priority accesses for designated rides and attractions with shorter queues but available at limited quotas. Based on economics concept, explain why Ocean Park has such practices
i) FasTrack launching
ii) limited quotas
In: Economics
Age of College Students Find the 80% confidence intervals for the variance and standard deviation of the ages of seniors at Oak Park College if a random sample of 23 students has a standard deviation of 2.9 years. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi-square values to three decimal places. Round the final answers to one decimal place.
In: Statistics and Probability
6) How does opportunity cost specifically apply to the following situations:
a. A piece of land that is to be devoted to a national park.
b. An abandoned railroad that is given to a community for constructing a bike path
c. The costs of diverting water from a river to irrigate nearby farmland
d. The costs of clear-cutting timberland.
e. A piece of land that is to be converted from farmland to a Scheel’s sporting goods super store.
In: Economics
You are a manager of a sales team that travels often. Your responsibility is to approve expenses accrued during the trip.
Your job is to draft a travel expense policy that covers what employees can or cannot expense. Please draft a document that covers the following:
In: Operations Management