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o-na [289]
3 years ago
8

The figure shows a normal distribution curve with a mean of 3.47

SAT
1 answer:
katrin [286]3 years ago
8 0
OA is B -The figure shows a normal distribution with mean m and standard deviation d, including approximate percents of the distribution in each of the six regions shown. For a population of 800,000 subway riders, the numbers of subway trips taken per rider last January are approximately normally distributed with a mean of 56 trips and a standard deviation of 13 trips. Approximately how many of the riders took between 30 and 43 trips last January?
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A recent survey indicated that the mean time spent on a music streaming service is 210 minutes per week for the population of a
Lapatulllka [165]

There are different variations in population size.  The best reason why the simulation of the sampling distribution is not approximately normal is that The sample size was not sufficiently large.

<h3>What takes place if a sample size is not big enough? </h3>
  • When a sample size taken by a person or a researcher  is not big or inadequate for the alpha level and also analyses that one have chosen to do,  it will limit the study statistical power.

Due to the above, the ability to know a statistical effect in one's sample if the effect are present in the population is greatly reduces.

See full options below

Which of the following would be the best reason why the simulation of the sampling distribution is not approximately normal?

A The samples were not selected at random.

B The sample size was not sufficiently large.

с The population distribution was approximately normal.

D The samples were selected without replacement.

E The sample means were less than the population mean.

Previous question

Learn more about population size from

brainly.com/question/1279360

6 0
2 years ago
The writer wants to add an additional body paragraph to support the passage's argument. Which of the following claims would make
Tamiku [17]

Answer:

E - Long-term missions would also create social and psychological issues, such as extreme isolation and loneliness, that may have a negative impact on space travelers.

Explanation:

just did the test.

8 0
3 years ago
Read 2 more answers
Around half of the electricity used in the United States is powered by burning coal. The United States is a developed country wi
Zinaida [17]

The two options would be to reduce the demand for energy and or use renewable sources of energy. Options C and D are correct.

<h3>How to reduce carbon emission</h3>

The burning of fossil fuels such as coal and crude oil-derived fuels generates a large amount of emissions.

In order to cut down on the emission, the demand for energy needs to be lowered by all means. In addition, instead of using fossil fuels, renewable sources of energy can be used.

Greenhouse gases such as carbon dioxide, oxides of sulfur, and water vapor are produced largely as by-products of burning fossil fuels. These gases form a layer in the atmosphere and trap reflected solar radiation.

By doing so, the increase the average annual temperature of the planet (global warming). The warming of the planet has several negative effects on the climate and the ecosystems as a whole.

Renewable sources of energy, on the other hand, have very little to no greenhouse gas emissions.

More on cutting down on emissions can be found here: brainly.com/question/25840172

#SPJ1

8 0
2 years ago
Acetylene, c2h2 c 2 h 2 , can be converted to ethane, c2h6 c 2 h 6 , by a process known as hydrogenation. the reaction is c2h2(g
Nana76 [90]

The value of the Kp is obtained from Kp = p.C2H6/p.C2H2 * pH2^2 as 1.

<h3>What is Kp?</h3>

The Kp is the equilibrium constant for a gas phase reaction we have to put down the equation for the Kp here as; Kp = p.C2H6/p.C2H2 * pH2^2.

We are told here that all the pressures are equal to 1 atm hence we substitute values; Kp = 1/1 ( (1)^2 =1

Learn more about Kp: brainly.com/question/22074421

4 0
2 years ago
Speed, Velocity or Acceleration?
qaws [65]

Answer:

Acceleration

Explanation:

Speed is how fast something moves.

Velocity is how fast it moves and in what direction it moves in.

Acceleration is the change in how fast it moves. I.e. if it speed up or slows down.

Here we are not given a speed, but are told that the subway car slows down (a negative change in speed), which is a change in speed, therefore it is acceleration (or more accurately deceleration as it is negative acceleration, slowing down, but acceleration is usually used to describe both.)

Hope this helped!

5 0
3 years ago
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