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Butoxors [25]
3 years ago
14

A bridge design firm is performing an economic analysis of two mutually exclusive designs for a highway overpass. The steel gird

er option has an initial cost of $2.04 million, and the concrete option has an initial cost of $2.52 million. Every 25 years, the steel bridge must be painted at a cost of $790,000, and all other maintenance costs are the same for both options. The steel bridge is expected to last 50 years, and concrete bridge is expected to last 75 years. Both are assumed to be identically replaced indefinitely. Based on the shortest acceptable analysis period for each option, determine the equivalent uniform annual cost (EUAC) for the best option using an interest rate of 7%. Express your answer in $ to the nearest $1,000.

Business
1 answer:
Anettt [7]3 years ago
8 0

Answer:

Please find attached solution

Explanation:

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Many adults owe money from their college loans for years into their professional careers. a newspaper would like to estimate the
Sergio039 [100]

Because only young adults were sampled, undercoverage bias may cause the newspaper to overestimate the proportion of all adults who have college debts.

<h3><u>What is bias in sampling?</u></h3>

When a sample is chosen in statistics, sampling bias is a bias that causes some individuals of the target population to have a lower or greater sampling probability than others. As a result, not every person or event was equally likely to have been chosen, resulting in a biased sample of a population (or non-human variables).

If this is not taken into consideration, results may be incorrectly attributed to the sampling procedure rather than the phenomenon being studied. Although some people identify sampling bias as a distinct sort of prejudice, sampling bias is typically categorized as a subtype of selection bias, sometimes referred to as sample selection bias.

Learn more about sampling bias with the help of the given link:

brainly.com/question/11094051

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7 0
1 year ago
Which of the following is TRUE?​ a. ​All of the above b. ​Attending and listening are the ways in which you communicate empathy.
AysviL [449]

Answer:

a. All of the above

Explanation:

Attending refers to being present or being available for someone. Listening refers to patiently hearing the client and their issues.

Attending and listening are the ways which depict the trait of empathy, which refers to sympathizing with understanding and trying to experience others feelings.

At the same time, attending and listening activates many areas of brain which aids in effective communication and better comprehension.

Also, such traits serve as a basis for conducive working alliance between counselor and the client.

3 0
3 years ago
The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated mileage
Shtirlitz [24]

Answer:

a. Year 6 Forecast = 3,775

b. Mean Absolute Deviation (MAD) = 108.3

c. Year 6 Forecast = 3,780

Explanation:

Given

The miles driven during the past 5 years are as​ follows

Year 1 -- 3,100

Year 2 --- 4,050

Year 3 --- 3,450

Year 4 ---- 3,750

Year 5 --- 3,800

a. The forecast for year 6 is calculated as follows;

Using a 2 year moving average

Forecast = ½(Year 4 + Year 5)

Forecast = ½(3750 + 3800)

Forecast = ½ * 7550

Forecast = 3,775

b. Calculating the Mean Absolute Deviation (MAD), if two years moving average is used.

------------------------------2 year difference ----- Difference

Year 1 -- 3,100 ------------------------------------------

Year 2 --- 4,050 -----------------------------------------

Year 3 --- 3,450 ---- 3,575 -------- 125

Year 4 ---- 3,750 ---- 3,750 ------ 0

Year 5 --- 3,800 ----- 3,600 ------ 200

The 2-year difference column is calculated using.

Summation of previous 2 years forecast * ½

Year 1 and 2 are empty because they don't have previous 2 years.

For year 3;

2 year difference = ½ (year 1 + year 2)

= ½(3,100 + 4,050)

= ½ (7,150)

= 3,575

For year 4

2 year difference = ½ (year 2 + year 3)

= ½(4,050 + 3,750)

= ½ (7,500)

= 3,750

For year 5:

2 year difference = ½ (year 3 + year 4)

= ½(3,750 + 3,450)

= ½ (7,200)

= 3,600

Mean Absolute Deviation (MAD) = (Summation of Difference)/3

Mean Absolute Deviation (MAD) = (125 + 0 + 200)

Mean Absolute Deviation (MAD) = 325/3

Mean Absolute Deviation (MAD) = 108.3

c. for year 6 using a weighted​ 2-year moving average with weights of 0.40 and 0.60

For year 5:

Forecast = 0.4 * year 4 + 0.6 * year 5

= 0.4(3,750) + 0.6(3,800)

= 3,780

5 0
3 years ago
United Contractors Inc. holds a lien on Vista Estates real property. This property can be sold to satisfy the debt if, before th
oee [108]

Answer:

The answer is Vista Estates

Explanation:

Before any sale can done done, notice must be given to Vista Estates. The property can now be sold after been giving proper notice.

Vista Estates still has the legal right of original ownership even though a lien has been placed on his property. A lien is a legal claim against a property.

7 0
3 years ago
True or false?
valentina_108 [34]
True total utility always decreases when marginal utility is present
6 0
2 years ago
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