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2 years ago

- Who was the former Defense Department employee who exposed the Pentagon Papers?

Social Studies

1 answer:

Marat540 [252]2 years ago

7 0

Answer: Daniel Ellsberg

Explanation: American economist, political activist, and former United States military analyst who, while employed by the RAND Corporation, precipitated a national political controversy in 1971 when he released the Pentagon Papers, a top-secret Pentagon study of the U.S. government decision-making in relation to the Vietnam War

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The shift in status of individuals or groups is known as Select one: a. social inequality. b. horizontal transition. c. social d

GuDViN [60]

Answer:

d. social mobility.

Explanation:

Social mobility refers to the class ethic groups or nations and health status and it refers to the movement of the family, individual and the other categories of the pole on the social strata and movement is within and between the different layers in a downward or upward direction.

3 0

2 years ago

Select the correct answer.

yawa3891 [41]

It produces melatonin

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2 years ago

A survey asked 26 adults how many years of education they had. The sample mean was 13.03 with a standard deviation of 3.22. It i

yulyashka [42]

Answer: (11.95, 14.11)

Explanation:

Let x be a random variable that represent the number of years of education.

Given: Sample size : n= 26

Sample mean : $\overline{x}=13.03$

Sample standard deviation : s = 3.22

Significance level : $\alpha=100\%-90\%=10\%=0.1$

Degree of freedom: df = n-1 = 25

Critical t-value for $\alpha=0.1$ and df = 25 will be

$t_{\alpha/2, df}=t_{0.05,25}=1.7081$

90% confidence interval for mean:

$\overline{x}\pm t_{\alpha/2,df}\dfrac{s}{\sqrt{n}}\\\\=13.03\pm (1.7081)\dfrac{3.22}{\sqrt{26}}\\\\=13.03\pm (1.7081)\dfrac{3.22}{5.09902}\\\\=13.03\pm 1.08\\\\=(13.03-1.08,\ 13.03+1.08)\\\\ =(11.95,\ 14.11)$

A 90% confidence interval for the mean number of years of education = (11.95, 14.11)

5 0

2 years ago

What made it possible for some slaves to be able to buy their freedom?

Sveta_85 [38]

The emancipation proclamation

3 0

3 years ago

You observe a nearby galaxy. You find that a spectral line, resulting from an electron transition in hydrogen, is shifted from i

77julia77 [94]

Answer:

The galaxy is moving closer to us

Explanation:

When there is a decrease in the wavelength of light which is being observed then it means that the object and observer are getting closer to each other.

When there is an increase in the wavelength of light which is being observed then it means that the object and observer are getting farther apart.

This phenomenon is called the Doppler effect.

Orange has shorter wavelength than red so the wavelength is getting shorter.

Hence, the galaxy is moving closer to us.

4 0

3 years ago