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Lelu [443]
2 years ago
8

A recent survey indicated that the mean time spent on a music streaming service is 210 minutes per week for the population of a

certain country. A simulation was conducted to create a sampling distribution of the sample mean for a population with a mean of 210. The following histogram shows the results of the simulation.
SAT
1 answer:
Lapatulllka [165]2 years ago
6 0

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

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Answer:

the 2000 represents the base salary he makes

Explanation:

we know that the salesman makes money from two things the base salary and the commission he takes on his sales.

it is clear that the base salary he takes is a fixed number while the commission varies with the sales he makes.

in this equation the number 2000 is fixed so it is the base salary (it does not change with the sales he makes).

but the 0.1s changes when s, total sales, changes so it is the commission he makes.

hope that was helpful.

3 0
2 years ago
Patrick drives from p to q at an average speed of 40mph.
Bumek [7]

The distance in miles from P to Q is 12 miles

<h3>Distances and speed</h3>

Let the distance from P to Q be "d"

Since the formula for calculating speed is expressed as:

  • s =d/t

For the distance of P to Q

40 = d/t

d = 40t

If he drives back at an average speed of 45mph and 2 mintes less, then;

45 = d/t - 0.033

d = 45 (t - 0.033)

Equating both distances

40t = 45(t - 0.033)

40t = 45t - 1.485

-5t = -1.485
t = 0.297

Get the distance from P to Q:

d = 40(0.297)
d = 11.88 miles

Hence the distance in miles from P to Q is 12 miles

Learn more on speed and distance here: brainly.com/question/4931057

7 0
2 years ago
In addition to replacing officers lost to desertions, defections, and retirements, what was among the significant rebuilding cha
trasher [3.6K]

People often face one or more problems daily. Police Department faced following Hurricane Katrina is had the challenge of Refurbishing flooded police headquarters.

<h3>The challenges that face police officers during Hurricane Katrina?</h3>

There were a lot of social implications of natural disasters, such as the one of Hurricane Katrina. This was known to be of huge concern to police, because it brought about the shifting duties that centers around crime control and emergency relief to the breakdown or vadalization of some key elements of the police infrastructure.

It also brought about the the destruction of police communication and transportation.

See options below

a. Restoring healthy water supplies

b. Repaving streets and roads

c. Improving city utility services

d. Refurbishing flooded police headquarters

Learn more about hurricane Katrina from

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In 2014, the United States exported a total of $376 billion worth of products to Canada. The five largest categories were:
kykrilka [37]

Answer:

Car

Explanation:

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Which are common elements of fantasy? Select 3 options. true-to-life settings imagined worlds everyday events mythical creatures
SpyIntel [72]

Answer:

imagined worlds

the supernatural

mythical creatures

Explanation:

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