The mean and standard deviation of a population are 200 and 20, respectively. What is the probability of selecting 25 data values with a mean less than 190?

A. 69%
B. 31%
C. 0.6%
D. 99%

Answers

Answer 1

The probability of selecting 25 data values with a mean less than 190 is 0.6%.

What is probability?

This topic is concerning on numerical descriptions of how likely an event is to occur.

Given data

Population mean = 20

Standard deviation = 20

Sample size= 25

Sample mean= 190

z = 190-200/20/5

Square root of 25 -10/4 = 2.

Corresponding term is 0.4938 P(X<190) = 0.500-0.4938

P(X<190) = 0.0062 or 0.62

P(X<190) = 0.6%

Therefore, the Option C is correct.

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Related Questions

A mood disorder is characterized by an inability to recall important information, usually traumatic or stressful in nature, that is too extensive to be normal forgetfulness. please select the best answer from the choices provided t f

Answers

It is false that a mood disorder is characterized by an inability to recall important information, usually traumatic or stressful in nature, that is too extensive to be normal forgetfulness.

What is a mood?

Mood can be referred to how a person feels at a particular time. It is a state of a person's mind at a time.

Causes of mood are :

RestlessnessAnxietyStress

Hence, It is false that a mood disorder is characterized by an inability to recall important information, usually traumatic or stressful in nature, that is too extensive to be normal forgetfulness.

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Answer:

False

Explanation:

Edge 22

why did it take 36 years for Washington to become a state

Answers

They’re were so many obstacles in his way.

What is good for cleaning your vessel and does not harm lakes or rivers?.

Answers

What is good for cleaning your vessel and does not harm lakes or rivers is:  non-phosphate products .

How to clean your vessel

In order to effectively and appropriately clean your vessel and to avoid causing any harmful product or chemical to flow into the lakes or rivers is to make use of the following:

Non-phosphate productsNon toxic cleaner etc

Therefore making use of the listed product above can help to reduce the amount of harmful product that can enter into the lakes.

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The mean of the sampling distribution of the sample means according to the Central Limit Theorem is

A. exactly equal to the population mean
B. close to the population mean if the sample size is large
C. equal to the population mean divided by the square of the sample size
D. cannot be determined

Answers

The mean of the sampling distribution of the sample means according to the Central Limit Theorem is exactly equal to the population mean

What is Central Limit Theorem?

Central Limit Theorem explains when as the size of a sample keep increasing the mean with become Normal in the distribution curve.

The sample become normal as the population mean becomes equal.

Therefore, The mean of the sampling distribution of the sample means according to the Central Limit Theorem is exactly equal to the population mean.

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Read the passage.



In paragraph 3, the young man most likely believed that the pulley system had been used to

A
raise sand and earth from the pit.

B
release water into the pit.

C
lower a camera into the pit.

D
lower treasure into the

Answers

Answer:

Answer: D

Lower treasure into the pit!

Explanation:

Answer:

A

Explanation:

The main arguments of the two sources are most similar in their emphasis on the.

Answers

There’s no information to answer this question is there a passage?

__________ is responsible for creating the three components of personality: the id, ego, and superego. a. carl jung b. sigmund freud c. alfred adler d. carl adler

Answers

Sigmund Freud was responsible for creating the three components of personality in this scenario.

Freud's personality component

The three components include the following:

IdEgoSuperego

Freud discovered through different observations that communication and conflicts are among the components mentioned above which create personality which is why option B was chosen.

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Answer:

__Sigmund Freud____ is responsible for creating the three components of personality: the id, ego, and superego.

Explanation:

just took the test

A social work researcher has decided to do a study of people who have adopted children from outside the United States. He asks a friend, whom he knows to have recently adopted and asks if he would consent to an interview. He interviews his friend and then asks his friend if he could name other people who have recently adopted children from outside of the United States. His friend provides him with five names. The researcher contacts those five people, interviews them, and asks each of those people for names of other families. This sampling technique is known as:

Answers

The sampling technique used by the social work researcher is known as a snowball sampling.

What is a snowball sampling?

Also known as chain sampling, its refers to a nonprobability sampling technique that is used when existing study subjects recruit subjects from among their acquaintances.

Hence, as the group is growing like a rolling snowball, the sampling technique used by the social work researcher is known as a snowball sampling.

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Which Pacific South American country was faced with attacks from a terroris
group called Shining Path before it established a democracy?

A. Peru
B. Bolivia
C. Ecuador
D. Chile

Answers

Answer:

A:Peru

Explanation:

LIMA, Peru — Abimael Guzmán, the leader of the brutal Shining Path insurgency in Peru who was captured in 1992, died on Saturday in a military hospital after an illness, the Peruvian government said.

In the context of online dating a national study of more than 19,000 individuals by Cacioppo and others (2013) found that :___________a) marriages that began online were slightly more likely to break up than those that started in traditional offline contexts b) women lied online most about their height, income, and age. c) less than one-third of marriages began online d) marriages that began online were characterized by slightly higher marital satisfaction than those that started in traditional offline contexts

Answers

A national study found that marriages that began online were characterized by slightly higher marital satisfaction than those that started in traditional offline contexts.

What is an online dating?

This refers to the act of searching for partner on the internet through a dedicated website.

The national study of more than 19,000 individuals by Cacioppo and others (2013) found that marriages that began online were characterized by slightly higher marital satisfaction than those that started in traditional offline contexts.

Therefore, the Option D is correct.

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In what part of South America would you live? How do the environmental characteristics influence this decision?

Answers

Answer:

Image result for In what part of South America would you live? How do the environmental characteristics influence this decision?

South America can be divided into three physical regions: mountains and highlands, river basins, and coastal plains. Mountains and coastal plains generally run in a north-south direction, while highlands and river basins generally run in an east-west direction.

Explanation:

The South won every major Civil War battle until
the Battle of Antietam.
the Battle of Chancellorsville.
the Second Battle of Bull Run.
the First Battle of Bull Run.

Answers

Answer: the battle of Antietam


:3

Cognitive psychology focuses on studying ________.

Answers

individual-level mental processes

Who was gilgamesh, the hero of ancient mesopotamian mythology?.

Answers

In ancient Mesopotamian mythology, Gilgamesh was a brave and over-confident Sumerian king of Uruk. He was 2/3 god and 1/3 man.

the fourth goal of foreign policy

Answers

The four main objectives of U.S. foreign policy are the protection of the United States and its citizens and allies, the assurance of continuing access to international resources and markets, the preservation of a balance of power in the world, and the protection of human rights and democracy.

Answer:

The protection of human rights and democracy

Which pacific island nation was once called new hebrides?.

Answers

Answer:

The Republic of Vanuatu

an island nation in the South Pacific Ocean, northeast of New Caledonia, east of Australia and west of Fiji.

Explanation:

What is the difference between nearsighted and farsighted.

Answers

Answer:

A nearsighted person sees near objects clearly, while objects in the distance are blurred. Farsightedness is the result of the visual image being focused behind the retina rather than directly on it.

Explanation:

what are influence by the nation? how are they influenced?​

Answers

Answer:

A nation can influence it's citizens through it's noble works like through it's good development steps and measures for weaker sections of the society. If the citizens of a nation live a standard life with security and peace and enjoy their freedom and rights satisfactorily without any problems.The nation is said to be an ideal nationa. So, a nationa influence it's citizens both in the positive and negative way. A nation through it's good policies, plans and programmes can influence it's citizens.

What have the old testament and modern prophets taught about marriage?.

Answers

The Prophet Joseph Smith taught that married couples can continue as husband and wife after the Resurrection. Revelation from the Lord explains that the “new and everlasting covenant of marriage” (D&C 131:2) is necessary in order to receive exaltation.

When demonstrating 2023 leaf’s quiet ride, what should you point out about the sound coming from the audio system?.

Answers

We will point out the following when demonstrating 2023 leaf’s quiet ride:

Advanced aerodynamic bodyAdvanced sound-absorbing materials110 kW or 160 kW AC synchronous motor

What is the quiet ride?

This is a vehicle features that allows for a quiet and seamless sound from the engine while running.

Therefore, the advanced aerodynamic body, advanced sound-absorbing materials and 110 kW or 160 kW AC synchronous motor will be demonstarted.

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How did the California legislature impact Mexican Miners?

Answers

Answer:

This statute, one of the first passed by the California legislature after California became a state, imposed a draconian $20 a month fee on all foreign miners. Although the fee was later reduced, and the act repealed in 1851, the damage was done; it drove an estimated 10,000 Mexicans from the mines.   Explanation: i think?

the first major piece of antitrust legislation was the

Answers

Answer:

The Sherman Act

Explanation:

why are traditional belief important for the protection of forest​

Answers

Answer:

The traditional beliefs and taboos helped in enforcing rules and regulations for environmental preservation because people refrained from using resources carelessly, especially as it is related to sacred places.

Explanation:

It is also called the research paradigm.

A. conceptual framework
B. data collection procedure
C. research design
D. review of related literature

Answers

I believe the answer would be A.

Do you think getting a loan is easy? why or why not?

Answers

Answer:

Explanation:

Answer

It depends.

If you have suitable collateral that you can put up, then getting a loan is not that hard, especially if you are already known by the bank. They know you if you have been smart enough to go in every so often and so something that brings you in contact with a teller -- like make a withdrawal of a small amount, say 20 dollars.

If you are not known by any bank then it is best to get known. If you have a credit card that has a zero or near zero balance, then you can ask a bank officer to take out money on the strength of the card.

If neither of those apply, it can be very difficult. Banks want (rightly), to know everything about your finances.

Once you find a bank that will loan you money, stick with them. If you become known as a good customer, (which means don't overdraw your account), you can get a loan. In all it takes time, and you should treat it as very important to build up your credit rating. Stay out of financial hot water.

WHOEVER RESPONDS FIRST WILL BE MARKED BEST.
What was the goal of the nationalist movement in India?
O to end oppression by the Hindu government
O to build more factories for the country
O to gain independence from Great Britain
O to attack countries to the east of India

Answers

D To attack countries to the east of India hope it helps

bill clinton won the presidency in 1992 partly because of

Answers

Bill Clinton won the presidency in 1992 partly because of he focused on the economy and how he was as going to improve it.

Who is Bill Clinton?

It should be noted that Bill Clinton was an American politician who served as the 42nd president of the United States.

In this case, Bill Clinton won the presidency in 1992 partly because of he focussed on the economy and how he was as going to improve it.

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Which building in Florence do tourists visit because a famous author lived there? a A. Casa di Dante B. Palazzo Medici C. Palazzo Vecchio D. Santa Maria del Fiore​

Answers

Answer:The answer is A. The casa di Dante.

Explanation:

10 areas that most people work in mexico

Answers

Answer:

. outside in the cathredal of Mexico City

. out in the streets and eating places

. around the city

. parks for example the Alameda Park

sorry thats all i found

Samples of size 25 are selected from a population with a mean of 40 and a standard deviation of 7.5. What is the standard error of the sampling distribution of sample means?

A. 0.3
B. 1.5
C. 7.5
D. 8

Answers

Answer:

Standard deviation

Explanation:

Given n=25

mean= 40

standard deviation= 7.5

Standard error = 7.5/√25=1.5

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