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Veronika [31]
3 years ago
8

If the results of the survey were claimed to indicate that of adults in this country who own digital cameras plan to replace the

ir camera in the next 12 months, would you say this statement is descriptive or inferential? Why?
Mathematics
1 answer:
loris [4]3 years ago
8 0

Answer: Inferential.

It is inferential because the survey takes its conclusion(inference) from a sample of the country's population and generalized it on the entire population.

If the results of a survey were claimed to indicate that 7.8% of adults in this country who own digital cameras plan to replace their cameras in the next 12 months. would you say this statement is descriptive or inferential, why?

Step-by-step explanation:

It is inferential because the survey takes its conclusion(inference) from a sample of the country's population and generalized it on the entire population. this claim requires an inference to the population. For example, you might stand in a mall and ask a sample of 200 people if they like shopping at ShopRite. You could make a bar chart of yes or no answers (that would be descriptive statistics) or you could use your research (and inferential statistics) to reason that around 50-75% of the population (all shoppers in malls) like shopping at ShopRite.

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*MAKE SURE YOU ANSWER CORRECTLY WITH DETAILS, WILL CHOOSE BRAINLIEST * Describe a hemisphere of this picture and explain how it
SVEN [57.7K]

Answer:

Volume of the hemisphere = \frac{2}{3}\pi r^{3}

Step-by-step explanation:

It's a picture of a globe and a globe of the Earth is in the shape of a sphere.

We know equator divides the earth into two equal halves and these equal halves are called as "hemisphere".

Therefore, a line joining the two extreme points of the diameter of the Earth divides the Earth into two hemispheres.

If the radius of the Earth is 'r',

Volume of the hemisphere = \frac{2}{3}\pi r^{3}

6 0
3 years ago
34 is added to x, the result is 98 . What is the value of x? Enter your answer in the box as a fraction in simplest form
KonstantinChe [14]

Not sure why it needs to be a fraction, if I am missing something please tell me. 64 or 64/1

4 0
3 years ago
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My Notes The displacement from equilibrium of an oscillating weight suspended by a spring is given by y(t) = 1 4 cos(5t) where y
ikadub [295]

Answer:

y(0) = 0.25 feet

y(\frac{1}{4}) = 0.0789 \text{ feet}

y(\frac{1}{2}) =-0.2003 \text{ feet}

Step-by-step explanation:

We are given the following information in the question:

The displacement from equilibrium of an oscillating weight suspended by a spring =

y(t) = \displaystyle\frac{1}{4} \cos(5t)

where y is the displacement in feet and t is the time in seconds.

Here, cos is in radians.

1) t = 0

y(0) = \displaystyle\frac{1}{4} \cos(5(0)) = \frac{1}{4} \cos(0) = \frac{1}{4}(1) = \frac{1}{4}

y(0) = 0.25 feet

2) t = \frac{1}{4}

y(\displaystyle\frac{1}{4}) = \displaystyle\frac{1}{4} \cos(5(\frac{1}{4})) = \frac{1}{4} \cos(1.25) = \frac{1}{4}(0.31532236) =0.07883059

y(\frac{1}{4}) = 0.0789 \text{ feet}

3) t = \frac{1}{2}

y(\displaystyle\frac{1}{2}) = \displaystyle\frac{1}{4} \cos(5(\frac{1}{2})) = \frac{1}{4} \cos(2.5) = \frac{1}{4}(-0.80114362) = -0.200285905

y(\frac{1}{2}) =-0.2003 \text{ feet}

The negative sign indicates the opposite direction of displacement.

3 0
3 years ago
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Arada [10]

Answer:

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Step-by-step explanation:

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2 years ago
What conversion factor would you use to solve the problem 37in=_ft
Yakvenalex [24]
1 foot = 12 inches

Conversion factor is 12
7 0
3 years ago
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