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2 years ago

What is the best definition of marginal cost?

Mathematics

2 answers:

DIA [1.3K]2 years ago

4 0

Answer: A: the possible income from producing an additional item.

Step-by-step explanation: The actual definition of marginal cost is the cost added by producing one additional unit of a product of service.

Nutka1998 [239]2 years ago

4 0

Answer:

the price of producing one additional unit of a good

Step-by-step explanation:

The marginal cost refers to the expense of producing one more unit of a product an it includes all the costs the company may have to be able to increase the level of production. According to this, the best definition of marginal cost is the price of producing one additional unit of a good.

The other options are not right because they talk about an income or gain.

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2 years ago

Management at a seaside resort is publishing a brochure and wants to include a statement about the proportion of clear days duri

Ymorist [56]

Answer: B. 264

Step-by-step explanation:

Formula to calculate the sample size 'n' , if the prior estimate of the population proportion (p) is available:

$n= p(1-p)(\dfrac{z}{E})^2$

, where z = Critical z-value corresponds to the given confidence interval

E= margin of error

Let p be the population proportion of clear days.

As per given , we have

Prior sample size : n= 150

Number of clear days in that sample = 117

Prior estimate of the population proportion of clear days = $p=\dfrac{117}{150}$

E= 0.05

The critical z-value corresponding to 95% confidence interval = z*= 1.95 (By z-table)

Then, the required sample size will be :

$n= \dfrac{117}{150}(1-\dfrac{117}{150})(\dfrac{1.96}{0.05})^2$

Simplify ,

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$n= 263.687424\approx264$

Hence, the sample size necessary to construct this interval =264

Thus the correct option is B. 264

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Lana71 [14]

Answer:

Step-by-step explanation:

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