Answer:
c) Population parameter or Population statistic
Step-by-step explanation:
<u>Population</u>:-
<em>The totality of observation with which we are concerned , whether this number be finite or infinite is called population</em>
<u>Sample </u>:
A sample is subset of a Population
Given data the USA today internet poll is called Population
<em>Given data 73 percent of readers are satisfied with their lives.
</em>
<em>This is called Population parameter.</em>
1/6 of the people are not elderly or men
<h3>How to determine the proportion?</h3>
The given parameters are:
Men = 1/2
Elderly = 1/3
The number of people that are not elderly or men are:
People = 1 - Men - Elderly
So, we have:
People = 1 - 1/2 - 1/3
Evaluate
People = 1/6
Hence, 1/6 of the people are not elderly or men
Read more about proportion at:
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Answer:
55
Step-by-step explanation:
The absolute value of -30 is 30 and the absolute value of 25 is 25.
So you will end up with 30 + 25 which is 55.
Total area: pi*9^2 = 81pi
Shaded area = Total area / 3, because 120/360 = 1/3
So Shaded area = 81pi/3 = 27pi
