The existence of the underground economy causes gross domestic product (gdp) statistics to understate the true volume of economic activity. An underground economy unrecorded and untaxed economic activity by the government. An underground economic is also known as the black market. Gross domestic product also know as GDP is the total value of goods and services provided in a country during one year.
Answer:100
Explanation:
The following information can be gotten from the question:
Cost for 10 sofas = $2500
Cost for 12 sofas = $2760.
Average Cost = Total Cost/Quantity
2500 / 10 = $250 and
$2760 / 12 = $230
The average cost for 12 sofas will be $230
Marginal cost is the change in total cost divided by the change in quantity. This will be:
= ( 2760 - 2500 )/( 12 - 10 )
= 260/2
= 130
The difference between the average cost per sofa for 12 sofas and the marginal cost of the 12th sofa will be:
=230 - 130
= 100
Answer:
0.2308 or 23.08%
Explanation:
Mean (μ) = $12.50
Standard deviation (σ) = $3.25
Assuming a normal distribution, for any given fare X, the z-score is calculated as:
For X = $15.00, the z-score is:
A z-score of 0.7692 corresponds to the 77.91-th percentile of a normal distribution. Therefore, the probability that a fare exceeds $15.00 is:
The probability that a specific fare will exceed $15.00 is 0.2308.
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