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Fittoniya [83]
3 years ago
7

A news service conducted a survey of 1077 adults ages 18 years or older in a certain​ country, August 31−September ​2, 2015. The

respondents were​ asked, Of every tax dollar that goes to the federal​ government, how many cents of each dollar would you say are​ wasted? Of the 1077 individuals​ surveyed, 37​% indicated that 51 cents or more is wasted. The news service reported that 37​% of all adults in the country 18 years or older believe the federal government wastes at least 51 cents of each dollar​ spent, with a margin of error of 6​% and a 95​% level of confidence. What is the research objective?
Mathematics
2 answers:
koban [17]3 years ago
7 0

Answer:

To determine the percent of adults in the country who believe that the federal government wastes 51 cents or more of every dollar.

Step-by-step explanation:

As per the given scenario, the research objective is :

To determine the percent of adults in the country who believe that the federal government wastes 51 cents or more of every dollar from the population that contains, adults of the country who are aged 18 years or older.

liubo4ka [24]3 years ago
3 0

Answer:

The answer is 51% on USAtestprep for all you babes who are too lazy to watch the video, yes you.

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A group of 100 students took a quiz. Their average score was 76 points. If the average score for the boys was 80 points and the
sveta [45]

Answer:

The number of girls participated in quiz is 40 .

Step-by-step explanation:

Given as :

Total number of students took quiz = 100

Average score of 100 students = 76 points

The Average score of boys = 80 points

The Average score of girls = 70 points

Let The number of boys participated in quiz = b

Let The number of girls participate in quiz = g

Now, According to question'

Total number of students took quiz = number of boys participated in quiz + number of girls participated in quiz

Or, b + g = 100           ........A

<u>Again</u>

∵ Average score of 100 students = 76 points

∴ Total score of 100 students = 76 × 100 = 7600

So, Average score of boys × number of boys participated + Average score of girls × number of girls participated = Total score of 100 students

Or, b × 80 + g × 70 = 7600

Or, 80 b + 70 g = 7600             .........B

Now, Solving equation A and B

(80 b + 70 g ) - 70 ×( b + g ) = 7600 - 70 × 100

I.e (80 b - 70 b) + (70 g - 70 g) = 7600 - 7000

Or, 10 b + 0 = 600

∴  b = \dfrac{600}{10}

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So, The number of boys participated in quiz = b = 60

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So, g = 100 - b

Or, g = 100 - 60

i.e g = 40

So, The number of girls participated in quiz = g = 40

Hence, The number of girls participated in quiz is 40 . Answer

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