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Darina [25.2K]
3 years ago
9

Polar bears in captivity exhibit obsessive patterns of behavior such as pacing back and forth on the same spot, swinging their h

eads from side-to-side, and using their paws to repeatedly stroke their head. Such behaviors are signs of stress. They behave this way even when zoos design their living areas to include elements of the polar bear's natural environment. This shows that polar bears do not do well in captivity.
Which of the following statements best expresses the main conclusion of the above argument?

a. Conditions of captivity are poor substitutes for the polar bear's natural habitat.

b. Polar bears are not well suited for captivity.

c. Stressed polar bears exhibit obsessive patterns of behavior.
Business
1 answer:
kherson [118]3 years ago
5 0

Answer:

c. Stressed polar bears exhibit obsessive patterns of behavior.

Explanation:

  • If a polar bear is bred in captivity they show an obsessive pattern of behavior.
  • Such as the passing of the back and forths on the same spot and swimming on their heads from side to side.
  • And also use their paws to repeatedly strike their heads as a sign of stress. This shows that they don't do well in captivity.
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Which of the following statements about the marketplace of ideas is true? The British created the marketplace of ideas in the se
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Answer:

Private groups and the news media play important roles in shaping opinions in the marketplace of ideas.

Explanation:

The marketplace of ideas denotes to the thought and belief of the idea that the authenticity of the truth or its acceptance depends upon the level of competition which the ideas have with one another. This is irrespective of the view that the truth has been provided by the government or by any authority.

8 0
3 years ago
You need to accumulate $10,000. To do so, you plan to make deposits of $1,000 per year - with the first payment being made a yea
evablogger [386]

Answer:

It will take 6.68 years to reach the $10,000 goal.

Explanation:

As the deposit of $1,000 per year is a form of the annuity payment.

We will use the following formula in order to calculate the numbers of year required to reach the goal

Future value of Annuity = Annuity payment x ( ( ( 1 + interest rate )^numbers of years ) - 1 ) / Interest rate

Where

Future value of Annuity = Target amount = $10,000

Annuity payment = Yearly deposti = $1,000

Interest rate = 14%

Numbers of years = n = ?

Placing values in the formula

Future value of Annuity = Annuity payment x ( ( ( 1 + interest rate )^numbers of years ) - 1 ) / Interest rate

$10,000 = $1,000 x ( ( ( 1 + 14% )^n ) - 1 ) /14%

$10,000 x 14% = $1,000 x ( ( ( 1.14 )^n ) - 1)

$1,400 = $1,000 x ( ( ( 1.14 )^n ) - 1)

$1,400 / $1,000 = ( ( 1.14 )^n ) - 1

1.4 = ( ( 1.14 )^n ) - 1

1.4 + 1 = 1.14^n

2.4 = 1.14^n

Log 2.4 = n x Log 1.14

n = Log 2.4 / Log 1.14

n = 6.681525965

n = 6.68 years

It will take 6.68 years to reach the $10,000 goal.

7 0
3 years ago
A university officer wants to know the proportion of registered students that spend more than 20 minutes to get to school. He se
vlada-n [284]

Answer:

1) We need a random sample. For this case we assume that the sample selected was obtained using the simple random sampling method.

2) We need to satisfy the following inequalities:

n\hat p =25*0.52= 13 \geq 10

n(1-\hat p) = 25*(1-0.52) =12 \geq 10

So then we satisfy this condition

3) 10% condition. For this case we assume that the random sample selected n represent less than 10% of the population size N . And for this case we can assume this condition.

So then since all the conditions are satisfied we can conclude that we can apply the normal approximation given by:

p \sim N (\hat p, \sqrt{\frac{\hat p (1-\hat p)}{n}})

So then the answer for this case would be:

a. Yes.

Explanation:

For this case we assume that the question is: If in the experiment described we can use the normal approximation for the proportion of interest.

For this case we have a sample of n =25

And we are interested in the proportion of registered students that spend more than 20 minutes to get to school.

X = 13 represent the number of students in the sample selected that have a time more than 20 min.

And then the estimated proportion of interest would be:

\hat p = \frac{X}{n}= \frac{13}{25}= 0.52

And we want to check if we can use the normal approximation given by:

p \sim N (\hat p, \sqrt{\frac{\hat p (1-\hat p)}{n}})

So in order to do this approximation we need to satisfy some conditions listed below:

1) We need a random sample. For this case we assume that the sample selected was obtained using the simple random sampling method.

2) We need to satisfy the following inequalities:

n\hat p =25*0.52= 13 \geq 10

n(1-\hat p) = 25*(1-0.52) =12 \geq 10

So then we satisfy this condition:

3) 10% condition. For this case we assume that the random sample selected n represent less than 10% of the population size N . And for this case we can assume this condition.

So then since all the conditions are satisfied we can conclude that we can apply the normal approximation given by:

p \sim N (\hat p, \sqrt{\frac{\hat p (1-\hat p)}{n}})

So then the answer for this case would be:

a. Yes.

3 0
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Answer:

The Android File Manager app helps users manage and transfer files between the smartphone's storage and a computer. ... The Android operating system allows you to remove apps quickly if you no longer use them or to make room for additional files without having to connect the phone to your computer.

Explanation:

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Answer:

The correct answer is: managers should be given less autonomy to make personnel decisions such as hiring, appraising, and compensating subordinates.

Explanation:

The function of management consists of a series of resources that must be observed in order to achieve organizational goals, therefore it is allowed to delegate important functions such as personnel management to a person who in turn must be accountable; For this reason, management must engage in extremely important functions such as obtaining clients, establishing sales strategies, positioning, etc., while the people in charge of each department perform their functions according to the internal regulations of the organization and the other guidelines established in order to ensure that such resources are aligned and allow the achievement of organizational goals.

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3 years ago
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