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Travka [436]
3 years ago
6

The 2007 NBI data were analyzed and the results made available oat the FHWA Web site. Using the FHWA inspection rations, each of

the 599,766 highway bridges in the United States was categorized as structurally deficient, functionally obsolete, or safe. About 12% of the bridges were found to be structurally deficient, while 13.5% were functionally obsolete.
a. What is the variable of interest to the researchers?
b. Is the variable of part a quantitative or qualitative?
c. Is the data set analyzed a population or a sample?
Business
1 answer:
lana66690 [7]3 years ago
3 0

Answer:

Bridges

Qualitative

Population

Explanation:

Given that :

A.) The variable of interest to the researcher which he aims to analyse are the bridges in the United States categorizing them into structurally deficient and safe.

B.) The variable is Qualitative in nature as it aims to analyze the state and condition of bridges in the United States Dividing them into categories depending on the nature or type of their deficiency.

C.) The data used is a population and not a sample because it takes into consideration all the entire bridges in the United States and not a subset of the available bridges.

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Which of the following is NOT a valid principle of bottleneck​ management?A.Increasing the capacity of a​ non-bottleneck station
larisa86 [58]

The answer is: D. Increasing the capacity of the bottleneck increases capacity for the whole system

Companies who use bottleneck management would stock large number of their products in their disposal before eventually release them to the consumers on a large scale.

Increasing the capacity of the bottle neck does not necessarily increase the capacity of the whole system because there are limits on how much the employees (specifically the sales department) could sell. There is always a huger risk of overstock that could resulted in a huge loss for the company.

5 0
4 years ago
Tami Strand’s regular hourly wage rate is $10, and she receives an hourly rate of $20 for work in excess of 40 hours. During a J
Simora [160]

Answer:

Gross earnings = $600

Net pay = $466.10

Explanation:

The computation of the gross earnings and the net pay is shown below:

Gross earnings

40 hours × $10 = $400

10 hours × $20 = $200

So, the total = $600

Since tami worked for 50 hours, 10 hours extra so $20 is paid for 1 hours extra. So, for 10 hours it would be $200

Net pay

Gross earnings                                     $600

less: federal income tax withholding   -$88

Less: FICA tax rate @7.65% on $600 - $45.90

Net pay                                                    $466.10

6 0
4 years ago
An investor wants to purchase an annuity that will pay her £80,000 per year for the next 10 years. If the constant, annual effec
kondaur [170]

Answer:

£718,607

Explanation:

Annuities are investment opportunities that require an initial settlement  and gives  a series of returns of a fixed amount for a specific number of periods.

In simple terms, the question requires us to calculate the amount to be paid today (Present Value) of an annuity that pays £80,000 per year for the next 10 years.

To establish the [Present Value of the Annuity, the future Cash Flows must be discounted to the Present Value using the appropriate discount rate. In our case, we will use the annual effective interest rate of 2%.

Present Value = PMT × [ 1 - 1/(1+r)^n ÷ r ]

Where,

PMT = £80,000

n = 10

r = 2%

Therefore,

Present Value = £80,000 × [ 1 - 1 / (1.02) ^ 10 ÷ 0.02]

                         = £718,606.80 or £718,607

Conclusion :

She be willing to pay £718,607 today for the annuity.

4 0
3 years ago
Which one of the following is most likely to result in an increase in producer surplus in the market for cow's milk? (WITH EXPLA
frozen [14]
A because if the firm is switching from cow milk to soya milk, suppler will be threatened and will be motivated to produce in large supply
7 0
3 years ago
If 11,000 units are produced, what are the total amounts of direct manufacturing costs incurred to support this level of product
kvv77 [185]
Use the fixed manufacturing overhead, 4.00 and the variable manufacturing $1.50 to find the answer.

$4.00(10,000units)= $40,000


$40,000+ ($1.50 * 11,000)= $56,500
3 0
3 years ago
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