5-55. In a random sample of 10,000 college students, a research company found that 35.7% were involved in a
club and 27.8% studied 4 or more hours per day. When they reported their findings, the research company
indicated that 53.4% of college students were either involved in a club or they studied 4 or more hours per day.
Given this information, what is the probability that a college student is involved in a club and studies 4 or more
hours per day?

Answers

Answer 1

The probability that a college student is involved in a club and studies 4 or more  hours per day is 9.92%.

Data and Calculations:

College student population = 10,000

Students involved in a club = 35.7% or 3,570 (10,000 x 35.7%)

Students who studied 4 or more hours per day = 27.8% or 2,780 (10,000 x 27.8%)

Students who involved in a club or studied 4 or more hours per day = 53.4% or 5,340 (10,000 x 53.4%)

The probability that a student, who is involved in a club, studies 4 or more hours per day is 9.92% (35.7% x 27.8%).

Thus, the probability that a student involves in a club and studies 4 or more hours per day is 9.92% or 992 students out of 10,000.

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Answer 2

Answer:

10.1

Explanation:


Related Questions

moving pieces under the earths surface that forms the earths crust are called...???

Answers

Answer:

Earth's crust, called the lithosphere, consists of 15 to 20 moving tectonic plates.

Explanation:

HELP ME!

Which of the following has helped to drastically improve the infrastructure of the Russia and Central Asian region?

Question 3 options:

Pyrenees system of canals and bridges


Trans-Siberian Railroad


Transportation subways in its major cities


Urals system of canals and bridges

Answers

Answer:

Trans-Siberian Railroad

Explanation:

Trans-Siberian Railroad has helped to drastically improve the infrastructure of the Russian and Central Asian region. Thus, option B is correct.

What is infrastructure?

They underline that critical infrastructure "seem to to be money costs and expensive cost ventures, and are crucial to an economy advancement" and define it as "the broad word for basic fundamental elements of a business sector, or nation."

Witte considered Siberia to be an underdeveloped part of the Russian Empire even though he thought that economic strength led to political power.

He believed that a railway would enable Russia to colonize Siberia, exploit its riches, and increase commerce with East Asia. It draws a lot of international tourists, but it also sees a lot of internal travelers. Therefore, option B is the correct option.

Learn more about infrastructure , here:

https://brainly.com/question/14527131

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What is the age of the continental crust compared to the ocean crust?

Answers

Answer:

The oldest oceanic crust is about 260 million years old. This sounds old, but is actually very young compared to the oldest continental rocks, which are 4 billion years old.

Explanation:

It is about 260 million years old

what page in the esrt can you find the tropic of cancer labeled?

Answers

The cancer tropic can be referenced on a page that talks about the imaginary landmarks of the Earth.

What is the Tropic of Cancer?

The Tropic of Cancer is a term to refer to the imaginary parallel line of planet Earth that is located in the northern hemisphere at a latitude of 23º 26 ′ 14 ″ 1 north of the equator.

The Tropic of Cancer is a reference point for marking the northernmost points where the sun reaches its zenith during the boreal summer solstice. According to the above, the Tropic of Cancer can be referenced on a page that talks about the imaginary landmarks of the Earth.

Learn more about Tropic of Cancer in: https://brainly.com/question/14119275

which type of event often occurs along transform fault boundaries?

Answers

The third type of plate boundary occurs where tectonic plates slide horizontally past each other. This is known as a transform plate boundary. As the plates rub against each other, huge stresses can cause portions of the rock to break, resulting in earthquakes. Places where these breaks occur are called faults.

hope this helps!

which continent is touching the eastern border of europe

Answers

Asia borders Europe along the Ural Mountains

what is the name of the islands west of ecuador that famed scientist charles darwin spent a lot of time studying?

Answers

Answer:

The Galapagos Islands were studied

Suffrage is the right to __________.

Answers

Answer:

Suffrage is the right to political franchise.

mount rushmore is located in the black hills of what state?

Answers

Answer:

South Dakota

Distance between Bholu's and Golu's house is 9 km. Bholu has to attend Golu's birthday party at 7 O'clock. He started his journey from his home at 6 O'clock on his bicycle and covered a distance of 6 km in 40 min. At that point, he met Chintu and he spoke to him for 5 min and reached Golu's birthday party at 7 O'clock. With what speed, did he cover the second part of the journey? Calculate- his average speed for the entire journey. ​

Answers

total total time spent by bolu=45

speed with which Golu cover second part:

3/15km/min=12km/h

average of bholu in entire journey=

total distance travel/total time taken

9km/h

1
2
3
3
5
6
7
8
9
10
industry.
The Great Lakes region of Canada is dominated by the
A. farming
B. fishing
C. manufacturing
D. mining
Please select the best answer from the choices provided
A

Answers

Answer:

Great lakes region of Canada is dominated by the manufacturing so C

how much water is in the ocean in cubic kilometers in scientific notation

Answers

Answer:

1.37 billion cubic kilometers

The radius of the circle is 5.5mm. What is the diameter?

Answers

Answer:

The diameter would be 11.

Where is the capital of Vietnam?

Answers

Answer:

Hanoi

Explanation:

Hanoi is the capital of Vietnam I think. It is in Vietnam.

The answer is:

The capital of Vietnam is Hanoi and is located in the Northern region of Vietnam on the western bank of the Red River.

what is the most likely cause of the geological features in the mid-ocean ridge

Answers

Answer:

Mid-ocean ridges occur along divergent plate boundaries, where new ocean floor is created as the Earth's tectonic plates spread apart. As the plates separate, molten rock rises to the seafloor, producing enormous volcanic eruptions of basalt.

Explanation:

its copied put it in ur own words but hope it helps

Which of the following phrases best defines migration? A. forcing others to move away from their homes B. encouraging others to move to a new place C. spreading culture from one place to another D. moving from one place to another to find a new place to live Please select the best answer from the choices provided A B C D Mark this and return

Answers

I think it would be D

how long do we have until climate change is irreversible

Answers

Answer:

fist of all prevention is better than cure

Explanation:

until next messi borns which is immppssible

Write out how you would describe the difference between rocks and minerals to a 5th grader. PLS HELP I WILL MARK BRAINLIEST!!!!

Answers

Answer:

here is your answer..........

Describe the world city concept in the context of globalization.​

Answers

Answer:

Global cities are and always have been both, products and producers of globalization.

Explanation:

They play an important role in shaping a global economy, culture and society, but they are also shaped by it. And they are places where countervailing forces match and local reactions to globalization become especially visible.

Alfred Wegner proposed the theory of plate tectonics. Explain the theory and what evidence has been found to support his theory.

Answers

Answer:

Wegener supported his theory by demonstrating the biological and geological similarities between continents. South America and Africa contain fossils of animals found only on those two continents, with corresponding geographic ranges.

Explanation:

1. An____is a type of rock in which minerals are found in high concentration.
2. Gold and copper ores can be found in___ and____rocks.
3. Kaolinite is a____mineral that can be found in some light bulbs.
4. Salt is a non-metallic mineral that is commonly obtained from the____.
5. ___and___are minerals used in the production of steel.
6. Most of India's mineral wealth lies in the ____ region.​

Answers

Answer:

1 Igneous rock

2 meterrmorphic and sedimentary rock

3 Quartz

4 sea water

5 carbon and steel

6 western region

Tidal barrages are beneficial to local wildlife true or false

Answers

Answer:

False

Explanation:

They mostly don't have an effect so the don't help the only time they are hurt is if a fish or something gets stuck in it

the gaseous groups here, 7,000 light-years from us, are known as what?

Answers

Pillars of Creation is a photograph taken by the Hubble Space Telescope of elephant trunks of interstellar gas and dust in the Eagle Nebula, in the Serpens constellation, some 6,500–7,000 light years from Earth.

Although the United States is a developed country, it closely resembles the pattern of a
developing country because"?

A.life expectancy is at 60
B. individuals are required to pay an average of 55% of their health care
C. infrastructure is outdated

Answers

B & C in my opinion. If it asks for one— B. is what I would choose.

Que es la aceleración dela luz

Answers

Answer:

Explica que la luz no acelera cuando se mueve a la velocidad de la luz. Pero cuando se emite luz, como fotón, tiene que acelerar desde una velocidad de 0 m / sa 3,0 * 10 ^ 8 m / s.

Explanation:

which type of air mass most likely has high humidity and high temperature

Answers

Maritime air masses

• Hope this helps

A triangle has the side lengths 5, 7, and X. What is X?

Answers

Answer:

13

Explanation:

The best known solution is the one where the hypothenuse is 13. That's the famous 5–12–13 triangle.

Which landform is formed when an oceanic crust and continental plate meet at a convergent plate margin

Answers

Answer:

Volcanoes, fold mountains, oceanic trenches

A typical source rock of oil, which started out as mud in which dead organic matter settled, is:

Answers

Answer:

Shale.

Explanation:

how scientist know something happened before billion years ago

Answers

Answer:

The Big Bang is commonly thought of as the start of it all: About 13.8 billion years ago, the observable universe went boom and expanded into being.

We know that life began at least 3.5 billion years ago, because that is the age of the oldest rocks with fossil evidence of life on earth.

Nonetheless, 3.5 billion year old rocks with fossils can be found in Africa and Australia. They are usually a mix of solidified volcanic lavas and sedimentary cherts.

Explanation:

I hope this helps you !!

Answer:

scientist and people have discovered things from a while ago and did research on it, such as dinosaur bones, etc.

Explanation:

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