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Rasek [7]
3 years ago
10

On the day before an election in a large city, each person in a random sample of 1,000 likely voters is asked which candidate he

or she plans to vote for. Of the people in the sample, 55 percent say they will vote for candidate Taylor. A margin of error of 3 percentage points is calculated. Which of the following statements is appropriate?
Mathematics
2 answers:
stellarik [79]3 years ago
7 0

Answer:

The sample proportion minus the margin of error is greater than 0.05, which provides evidence that more than half of all likely voters plan to vote for candidate Taylor.

Step-by-step explanation:

Sample proportion is 55%

margin of error is E = 3%

Confidence interval = (p-E) to (p+E)

= (55-3) to (55+3)

= 52% to 58%

Lower limit is above 50%, which means that the candidate Taylor has majority of votes in his favor.

gayaneshka [121]3 years ago
6 0

Answer:

It's not possible to reach a conclusion about who will vote candidate Taylor because this is a random sample and not a population census or experiment.

Step-by-step explanation:

It is impossible to reach a conclusion about the proportion of all likely voters who plan to vote for candidate Taylor because the 1,000 likely voters in the sample represent only a small fraction of all likely voters in a large city.

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Step-by-step explanation:

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In this case we have:

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a = 1

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So the integral is:

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To evaluate the integral, we write the radical as an exponent.

∫₁⁴ x^½ dx

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If ∫₁⁴ f(x) dx = e⁴ − e, then:

∫₁⁴ (2f(x) − 1) dx

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8 0
3 years ago
Adding school fairest 20% of the people are under 16 years old one third of the people remaining are teachers if there are 21 te
dedylja [7]
<span>In the fairest school 20% are below 16 years old
1/3 are teachers which is equals to = 21
Let’s start solving:
=> 1/3 of 100% = ( 100 / 3 = 33.33% )
thus 33.33% = 21
=> 21 x 3 = 63, is the total number of people in the school.
Let’s try solving the number of people below 16 years old
Then there are 20% of it:
=> 63 * .20 = 12.6
Thus, there are around 13 people who are 16 years old younger.</span>



4 0
3 years ago
What is the value of X?​
joja [24]

Answer:

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Step-by-step explanation:

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