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Verizon [17]
3 years ago
9

Sales prices of baseball cards from the 1960s are known to possess a right skewed distribution with a mean sale price of $5.25 a

nd a standard deviation of $2.80. Supppose a random sample of 100 cards from the 1960s is selected. Describe the sampling distribution of the sample mean sale price of the selected cards
a. Right skewed with mean of $5.25 and a standard error of $2.80
b. Normal with a mean of $5.25 and a standard error of $0.28
c. Right skewed with a mean of $5.25 and a standard error of $0.28
d. Normal with a mean of $5.25 and a standard error of $2.80
Business
1 answer:
VMariaS [17]3 years ago
7 0

Answer:

option  b is correct

Normal with a mean of $5.25 and a standard error of $0.28

Explanation:

Given data

mean = $5.25

standard deviation SD = $2.80

sample n = 100

to find out

sampling distribution

solution

we will find here first mean error that is

standard error = SD/ √n

put here value n and SD

standard error = 2.80 /√100

standard error = 0.28

and we know here that by central limit theorem that is state that sample distribution of sample mean is approximate normally distribute with Standard error and mean so

mean with normal is 5.25

Hence

option  b is correct here

Normal with a mean of $5.25 and a standard error of $0.28

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Answer:

it is too long but also I like to choice Step 1

5 0
3 years ago
Is a decline in the value of the real against the us dollar good for embraer, bad for embraer, or a mixed bag? explain your answ
avanturin [10]

The decline in value of the real towards the U.S. greenback changed into precise for Embraer due to the fact the components for the nearby jets cost much less once they were translated into reals, making it tremendously reasonably priced to produce. therefore, Embraer's earnings margins have been high.

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3 0
1 year ago
Which of the following statements is true? a. The word theory means same for both economists and laymen. b. Abstraction forms an
VladimirAG [237]

Answer:

B) Abstraction forms an important part of economic analysis.

Explanation:

Economic abstraction refers to ignoring certain factors while doing economic analysis. Some minor or even important economic details must be assumed when trying to analyze certain situations. That is why economists love to use ceteris paribus (everything else constant). Macroeconomic theory is impossible to prove in a scientific way, only certain microeconomic theories can be tested scientifically. In order to perform macroeconomic analysis, economists must simplify the real world, since economy is too complex and has too many factors that can alter any possible analysis. It is impossible to analyze a nation's economy as a whole since millions of people and businesses make billions of economic decisions very day.

3 0
2 years ago
Pinder co. produces and sells high-quality video equipment. to finance its operations, pinder co. issued $25,000,000 of five-yea
harina [27]

$23,021,820.82 is the correct answer. It is the present value of the future maturity value and the $875,000 interest payments, discounted at 4.5%.

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4 0
2 years ago
Indirect competition includes goods or services which are: a.closely priced. b.indirectly distributed. c.similar. d.substitutes.
AURORKA [14]

Answer:

Substitutes

Explanation:

Competition in business occurs when a two companies produce and sell similar product.  It is further grouped into direct and indirect competition.

While direct competition occurs between companies producing almost the same products , for example breweries producing beers , indirect competition happens between companies selling goods that are not directly similar but can also be used to achieve the same purpose if the other good is not available. Indirect competitors always have a way of sharing or winning over potential customers.

5 0
2 years ago
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