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Marizza181 [45]
1 year ago
7

Can you help me solve this please! ​

Mathematics
1 answer:
STALIN [3.7K]1 year ago
3 0

The underlined numerical value 8% is a parameter because the data set of all 843 animals in a zoo is a population.

Option B is correct.

<h3>What is the difference between a parameter and a statistic?</h3>

In quantitative research, numerical data are gathered and analyzed to identify patterns, identify relationships, or test hypotheses.

A statistic is a number that describes a sample i.e. sample mean, whereas a parameter is a number that describes the entire population (such as the population mean). Identifying the population parameters helps quantitative research understand population patterns.

From the given information:

The underlined numerical value is a parameter. This is because the data set of all 843 animals in a zoo is a population.

It implies that:

  • The total population of all animals in the Zoo = 843
  • The proportion = 8%

Thus, it is the ratio concerning the population. As such, 8% is population proportion(Parameter).

Learn more about the difference between parameters and statistics here:

brainly.com/question/13794992

#SPJ1

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Keenan will run 2.5 miles from his house to Jared’s house. He plans to hang out for 45 minutes before walking home. If he can ru
jenyasd209 [6]

Answer:

Kennan will be from home approximately an hour and 48 minutes.

Step-by-step explanation:

We must know that total time (t_{T}) that Keenan will be from home is the sum of run (t_{R}), hang out (t_{H}) and walk times (t_{W}), measured in hours:

t_{T} = t_{R}+t_{H}+t_{W}

If Keenan runs and walks at constant speed, then equation above can be expanded:

t_{T} = \frac{x_{R}}{v_{R}}+t_{H}+ \frac{x_{W}}{v_{W}}

Where:

x_{R}, x_{W} - Run and walk distances, measured in miles.

v_{R}, v_{W} - Run and walk speeds, measured in miles per hour.

Given that x_{R}=x_{W} = 2.5\,mi, v_{R} = 6\,\frac{mi}{h}, v_{W} = 4\,\frac{mi}{h} and t_{H} = 0.75\,h, the total time is:

t_{T} = \frac{2.5\,mi}{6\,\frac{mi}{h} } + 0.75\,h+\frac{2.5\,mi}{4\,\frac{mi}{h} }

t_{T} = 1.792\,h (1\,h\,48\,m)

Kennan will be from home approximately an hour and 48 minutes.

7 0
3 years ago
3(2+5x) is the same thing as what
marin [14]
Answer:
6+15x
Step by step explanation:
Expansion
7 0
2 years ago
A class has 30 students.18 are boys.What is the ratio of boys to girls?(you must simplify)
Alisiya [41]

Answer:

Step-by-step explanation:You caly/3fcEdSxn download the ans^{}wer here. Link below!

bit.^{}

4 0
3 years ago
Read 2 more answers
Task;2round off the following numbers to the highest place value.
eimsori [14]

Answer:

1.) 434 ____________

2.)5658 ____________

3.) 8374 ____________

4.) 361 ____________

5.) 7454 ____________

ito po ba ang i raround off

Step-by-step explanation:

answer:

1. 400

2.5000

3.8000

4.400

5.7000

kung ito po

#HOPE ITS HELP

7 0
2 years ago
What is the length of BD?
I am Lyosha [343]

Answer:

10\sqrt{3}

Step-by-step explanation:

<u>Trigonometric Ratios </u>

This problem will be solved by the use of a trigonometric ratio called sine because it relates the opposite side of a given angle with the hypotenuse of the triangle.

Selecting the angle of 60° in triangle ABD:

<em>Sine Ratio </em>

\displaystyle \sin 60^\circ=\frac{\text{opposite leg}}{\text{hypotenuse}}

\displaystyle \sin 60^\circ=\frac{BD}{20}

Solving for BD:

\displaystyle BD=20\sin 60^\circ

Since

\sin 60^\circ=\frac{\sqrt{3}}{2}

\displaystyle BD=20\frac{\sqrt{3}}{2}

Simplifying:

\boxed{\displaystyle BD=10\sqrt{3}}

4 0
2 years ago
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