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insens350 [35]
3 years ago
10

An economist is interested in studying the incomes of employees in a particular Silicon Valley firm. The population standard dev

iation is known to be $5000. What total sample size would the economist need to use for a 95% confidence interval if the width of the interval should not be more than $500:
A. 385
B.1536
C.1537
D. 384
Business
1 answer:
Komok [63]3 years ago
5 0

Answer:

Option C) 1537

Explanation:

We are given the following in the question:

Population standard deviation = $5000

95% confidence interval width = $500

Thus, margin of error = $250

Formula for margin of error =

z_{stat}\times \dfrac{\sigma}{\sqrt{n}}

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting values, we get,

250 = 1.96\times \dfrac{5000}{\sqrt{n}}\\\\n = (1.96\times \dfrac{5000}{250})^2\\\\n = 1536.64\\n \approx 1537

Thus, the correct answer is

Option C) 1537

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Kari is on a trip to italy. she has made a list of cities she would like to tour while she is there, as well as how much she exp
stealth61 [152]

Based on the amount budgeted and the cost of sight seeing, kari has almost exactly enough left in her budget to see genoa.

<h3>Which city should Kari see?</h3>

Exchange rate is the rate at which one currency is exchanged for another currency. In ths question, 1 dollar is exchange for 0.6859 euros.

  • The first step is to convert the amount budgeted to Euros: 585 x 0.6859 =  401.25
  • Cost in Euro of seeing Naples : 0.6859 x 71.06 = £48.74
  • Cost in Euro of seeing Venice : 0.6859 x 113.38 = £77.77
  • Total cost of the sightseeing =  £48.74 + £77.77 + £68.77+ £95.41 + £49.69  + £60.85 = £401.25

To learn more about exchange rate, please check: brainly.com/question/13717814

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4 0
2 years ago
Economic profits and lossesa. equalize the distribution of income in the long run. b. are essential to the reallocation of resou
MatroZZZ [7]

Answer:

The correct answer is letter "B": are essential to the reallocation of resources from less desired to more desired goods.

Explanation:

Economic profit is the difference between the company's profits from revenue and the overall opportunity cost. The difference between accounting profit and economic profit is significant. Only total revenue minus the explicit cost of producing goods or services is considered to calculate the accounting profit.

The economic profit is called a loss if after subtracting the opportunity costs from revenue the figure is negative. <em>Both profit or losses determine how resources will be allocated in a company prioritizing the more desired goods or those who are needed for the firm's operations.</em>

7 0
2 years ago
vWhat are the most likely consumer market segments for robots? Which consumer characteristics would be important to determine th
PolarNik [594]

Answer:

1- The most relevant segments are young adults between 20-30 years old who generate their own resources because the robots would be expensive.

2- The most outstanding characteristics of consumers would be:

  • People who like technology.
  • That their income level reaches to acquire a robot.
  • That they are adaptable people to the changes

3- Company robots for home cleaning, complete cleaning and cooking could be created.

8 0
2 years ago
Mullineaux Corporation has a target capital structure of 70 percent common stock and 30 percent debt. Its cost of equity is 16 p
alexira [117]

Answer:

The company WACC is 13.30%

Explanation:

For computing the WACC, first we have to find the weight-age of both debt and equity.

Since in the question, the weightage of debt and equity is given which is equals to

Debt = 30%

And, Equity or common stock = 70%

So, we can easily compute the WACC. The formula is shown below

= Weighted of debt × cost of debt × (1- tax rate) + Weighted of equity × cost of equity

= 0.30 × 0.10 × (1 - 0.30) + 0.70 × 0.16

= 0.021 + 0.112

= 13.30%

Hence, the company WACC is 13.30%

6 0
3 years ago
Solving for dominant strategies and the Nash equilibrium
Svetach [21]

Question Completion:

Matrix payoff:

                                              Sharon

                                  Left              Right

Paolo     Left              8,  3             4,   4

              Right           5,  3             5,   4

Answer:

The only dominant strategy in this game is for ___Paolo______ to choose ____Right______.

The outcome reflecting the unique Nash equilibrium in this game is as follows: Paolo chooses ____Right______ and Sharon chooses __ Right_____.

Explanation:

a) Paolo's dominant strategy is the strategy that always provides the greater utility to Paolo, no matter what Sharon's strategy is.  In this case, the dominant strategy for Paolo is to choose RIGHT always.

b) The Nash Equilibrium concept determines the optimal solution in a non-cooperative game in which each player (e.g. Paolo and Sharon) lacks any incentive to change their initial strategies. This implies that each player can achieve their desired outcomes by not deviating from their initial strategies since each player's strategy is optimal when considering the decisions of the other player.

3 0
2 years ago
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