You are given the sample mean and the population standard deviation. Use this information to construct the​ 90% and​ 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If​convenient, use technology to construct the confidence intervals.

A random sample of 50 home theater systems has a mean price of ​$130.00. Assume the population standard deviation is $15.50.

Construct a​ 90% confidence interval for the population mean.

The​ 90% confidence interval is __,__

You are given the sample mean and the population standard deviation. Use this information to construct the​ 90% and​ 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If​ convenient, use technology to construct the confidence intervals.

A random sample of 60 home theater systems has a mean price of $111.00. Assume the population standard deviation is $16.20.

The 90% confidence interval is(--,--)

The 99% confidence interval is(--,--)

Which interval is wider?

In Python

Suppose there is a movie theater who charges ticket based on ages. Less than 3 years old, free; between 3 to 12, $10; more than 12 years old, $15. Please design a program with loop to,

1) Ask the name then age of the audience,

2) Based on audience's input, tell the audience (with the person's name) how much is the ticket,

3) Stop the program when type in 'quit' in your program.

Humana Hospital Corporation installed a new MRI machine at a cost of $750,000 this year in its medical professional clinic in Cedar Park. This state-of-the-art system is expected to be used for 5 years and then sold for $125,000. Humana uses a return requirement of 25% per year for all of its medical diagnostic equipment. As a bioengineering student currently serving a coop semester on the management staff of Humana Hospital Corporation in Louisville, Kentucky, you are asked to determine the minimum revenue required each year to realize the expected recovery and return. In short, you need to estimate first the capitol recovery and then the annual worth.

You are looking into a factory to make strained peas. You estimate that the equipment will cost $50,000, which you would depreciate over the 10-year life of the project to a book value of zero. The salvage value of the equipment is zero. You think you can sell 15,000 cans at $2/can. The cost of producing the cans is $0.80 each. Your tax rate will be 40%. You plan to maintain an inventory equal to 25% of revenues and you can salvage 80% of this working capital at the end of the project’s life. You plan to use your garage, which means you will have to pay $2,000/year to park your car elsewhere (the good news is that the $2,000/year is tax-deductible). To estimate the cost of capital for the project you look at the following comparable firms:

r* = 0.17

What is the NPV?

The Fairmont Hotel in San Francisco needs to replace its air conditioning system. There are two alternatives, both of which can do the job equally well:

The relevant discount rate is 10% and the marginal tax rate is 35%.

What is the operating cash flow for AC 1 per year?
What is the equivalent annual cost for AC 1 (in absolute terms)?
What is the operating cash flow for AC 2 per year?
What is the equivalent annual cost for AC 2 (in absolute terms)?

A hotel rental service needs to have clean towels for each day of a three-day period. Some of the clean towels may be purchased new and some may be dirty towels from previous days that have been washed by a laundry service. The cost of new towels is $1 per towel, the cost of a fast one-day laundry serice is 40¢ per towel, and the cost of a slow two-day laundry service is 25¢ per towel. If the rental service needs 300,200, and 400 clean towels for each of the next three days (respectively), how many towels should the rental service buy new and how many should the rental service have washed by the different laundry services so as to minimize total costs?

The solution is minC=570 at (x,y,z,w)=(400,100,200,200), please use hand-writing for the process.

INNOVATION IN THE CONSTRUCTION INDUSTRY
The construction industry has been criticized because of its low productivity and quality in comparison with other industries. One of the main reasons is the industry suffers from a lack of innovation. Thanks to digitalization, innovative technologies and new construction techniques had been introduced recently. This is reflected with the rapid emergence of augmented reality, drones, 3D scanning and printing, Building Information Modelling (BIM), autonomous equipment and advanced building materials. By adopting and exploiting these innovations, companies will boost productivity, streamline their project management and procedures, and enhance quality and safety. However, the adoption rate of innovation in the Malaysian construction industry is still low. One of the reasons is due to the lack of awareness. For this, the Construction Industry Development Board (CIDB) has taken initiative by inviting everyone to participate in the Innovation in Construction Industry Awareness Campaign 2020. Your company is taking part in this campaign with the purpose to create awareness among the construction industry players on the available innovation that can be used in the construction industry to increase their productivity.
For this, your company are required to prepare a report that contains information on the innovation available in the construction industry in terms of:

a)   The definition
b)   The purpose
c)   The benefits

Sophie Bradford is the manager of Anthem's traditional Sunday​ Flicks, sponsored by the Anthem Student Association. The admission price is deliberately set at a very low $ 3.5. Each​ Sunday, a film has two showings and a maximum of 1,600 tickets can be sold for each showing. The rental of the auditorium is $ 280 and labor is $455​,including $120 for Bradford.Bradford must pay the film distributor a​ guarantee, ranging from $ 270 to $ 800, or 40% of gross admission​ receipts, whichever is higher. Before and during the​ show, she sells​ refreshments; these sales average 10% of gross admission receipts and yield a contribution margin of 50 %.

Requirement 1: On June 3, Bradford screened The Descendants. The film grossed $10,500. The guarantee to the distributor was $700 or 40% of gross admission receipts, whichever is larger. What operating income was produced for the student association.

Requirement 2: Recompute the results if the film grossed $1,400

Requirement 3: The​ "four-wall" concept is increasingly being adopted by movie producers. In this​ plan, the​ movie's producer pays a guaranteed fixed rental to the theater owner​ for, say, a​ week's showing of a movie and the producer receives the ticket receipts less the fixed rental. As a theater​ owner, how would you evaluate a​ "four-wall" offer?

art major x=86 x=80 s=4 theater major x=88 x=84 s=6 find the z score for each student b. based on the z score which student performed better within their class c. Find the coefficient of variation for both art and theater classes d. which class was more variable. 3. A landscaper wishes to use several different types of plants. The categories include color (red, yellow, and green), type (flowers and shrubs}, and height (tall, medium and short). how many different combinations can he/she use if she selects one color, one type and one height

4. In a recent study, the following data was obtained in response to the question, do not favor recycling in your neighborhood

No Yes No Opinion

Males 35 20 25

Female 15 25 20

If a person is picked at ramdom

a. what is the probability that the person is either male or has no opinion

b. male given they have no opinion

c. male with opinion

d. has no opinion given they are male

e. a female and a No

f. a No given they are female

g. either female or is a Yes

h. No opinion given they are female