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V125BC [204]
3 years ago
13

1.) Which animal species would you not want to go extinct? Why? ​

SAT
2 answers:
bixtya [17]3 years ago
5 0
Chickens, chickens are a main source of protein both when you eat them and from their eggs they lay.
timama [110]3 years ago
4 0
Cows, we get a lot of different products from them as well as meat. Also cows are adorable why would you want them to go extinct
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In long-run equilibrium, the perfectly competitive firm earns __________ economic profits.
DochEvi [55]

In perfectly competitive markets, firms in the market in the long-run, will earn zero economic profits.

<h3>What economic profits are earned in a perfectly competitive market?</h3>

In the short-run, there is a chance to earn a positive economic profit in a perfectly competitive market but this would then attract other companies into the market to make profits as well.

This then leads to the profits disappearing thanks to increased supply and lower prices. Companies would then leave and enter to either take advantage of profits or stop losses thereby keeping economic profits at zero in the long run.

Find out more on perfectly competitive markets at brainly.com/question/15712381

#SPJ1

3 0
2 years ago
In a study of helicopter usage and patient survival, among the 56,074 patients transported by helicopter, 235 of them
xxMikexx [17]

Using the hypergeometric distribution, it is found that the probability is 0.845 = 84.5%.

--------------------

  • The patients are chosen from the sample without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

The parameters are:

  • x is the number of successes.
  • N is the size of the population.
  • n is the size of the sample.
  • k is the total number of desired outcomes.

Combination formula:

is the number of different combinations of x objects from a set of n elements, given as:

C_{n,x} = \frac{n!}{x!(n-x)!}

--------------------

  • 56074 patients, thus N = 56074
  • Sample of 40, thus, n = 40
  • 235 left against medical advice, thus, k = 235.

The probability that none left against medical advice is P(X = 0), so:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,56074,40,235) = \frac{C_{235,0}*C_{55839,40}}{C_{56074,40}} = 0.845

The probability is 0.845 = 84.5%.

A similar problem is given at brainly.com/question/24008577

6 0
3 years ago
A square garden has a perimeter of 100 feet. what is the length of each side?
Morgarella [4.7K]
The formula for perimeter of a square is 4l
I.e the addition of all its lengths
Since the perimeter is 100ft
Each length is 100/4
=25ft
3 0
2 years ago
What is one way people can reduce the amount of taxes they owe in a year brainly.
Yuri [45]

it will be intrest blc there will be rent

5 0
2 years ago
To celebrate me reaching expert in the same day i made the account im doing a point giveaway
harina [27]

Answer:

Nice nice nice

Explanation:

5 0
3 years ago
Read 2 more answers
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