MATHEMATICS HIGH SCHOOL

A group conducted a poll of 2022likely voters just prior to an election. The results of the survey indicated that candidate A would receive 49

%

of the popular vote and candidate B would receive 46

%

of the popular vote. The margin of error was reported to be 5

%.

The group reported that the race was too close to call. Use the concept of a confidence interval to explain what this means.

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

number of likely voters = 2022

candidate A = 49%

candidate B = 46%

margin of error = 5%

using the concept of a confidence interval to explain

from the result of the poll conducted candidate A scored 49% of the votes while Candidate B scored 46% therefore the difference between the two voters is 3%.

also the margin of error is 5% which is higher than the 3% difference between the candidates. this margin error means that the 5% can vote for either candidate A or candidate B .which makes the results TOO CLOSE TO CALL

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What is equivalent to 1.43 × 10²?

Find each product or quotient . Use significant digits . ( 1,370m divided by 31.7 s )

Answers

43.217665 miles a second I think you were asking.

The sum of 555 consecutive odd numbers is 135135135.

Answers

I'm guessing you mean to say that sum of 5 consecutive odd numbers is 135. In that case, let x be the first number. Then

x + (x + 2) + (x + 4) + (x + 6) + (x + 8) = 135

5x + 20 = 135

5x = 115

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So the numbers are 23, 25, 27, 29, and 31.

If you really did mean 555 consecutive odd numbers summing to 135,135,135, the process is the same, but you would find a non-integer solution so that wouldn't be possible.

Answer:

The answer is 25

Step-by-step explanation:

I got this answer on Khan Academy

Hope this helps! :)

A cone has a base radius of 5cm and a vertical height of 12cm. Calculate the total surface area of the cone.

Answers

S = πr² + πrl
S = 3.14(5)² + 3.14(5)(12)
S = 3.14(25) + 3.14(60)
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Alan has scored 99, 85, and 74 on his previous three tests. What score does he need on his next test so that his average (mean) is 83?

Answers

(99+85+74+x)/4=83
multiply both by 4
99+85+74+x= 332
258+x=332
subtract 258 both sides
x= 74

He must get a 74.

To check answer:
99+85+74+74= 332
332/4 = 83

It’s right!

Hope it helps

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Answers

Answer:

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Step-by-step explanation:

3 pounds of beef is 6 dollars.

6 divided by 3 is 2. Therefore, each pound cost $2.

He wants to buy 10 pounds of beef.

9 pounds would be $18.

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Therefore, he would pay $20!~

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Answers

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