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yanalaym [24]
4 years ago
12

If a political poll indicates that a 95% confidence interval for a presidential approval rating is between 47% and 57%, what is

the assumed margin of error?
Mathematics
1 answer:
jarptica [38.1K]4 years ago
7 0
The answer is that the assumed margin of error is 5%.
Here is how we calculate this;
<span>presidential approval rating is between 47% and 57%
</span>(57% - 47% ) / 2 = 10/2 = 5%
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Can someone help please! It’s timed!
valina [46]

Answer:

11.2

Step-by-step explanation:

B is your answer because you have to get your formula from there u solve the question multiply 5.5 and 12.5 from there you divide and then you get your answer=11.2

Hope this helps:)

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8 0
3 years ago
Which three lengths cannot be the lengths of the sides of a triangle? (1 point)
Blababa [14]
For three lengths two be able to be the sides of a triangle, the longest side must be less than the sum of the two other sides.

A.
25 is the longest side.
16+10=26
25<26

It is possible.

B.
15 is the longest side.
13+12=25
15<25

It is possible.

C.
18 is the longest side.
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18 is NOT less than 15.

It is not possible.

D.
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It is possible.

Therefore, the answer is c.

Hope this helps!
5 0
4 years ago
Find length of a wire required to friend's of field of length 219 and width of 7525​
anzhelika [568]

Hey there! I'm happy to help!

We want to find to find the length of the wire that will go around the friends field. The distance around something is called the perimeter. To find this, we will take our two sides with the length of 219 and two sides with the width of 7525 and then add them.

2(219)+2(7525)=15488

Therefore, we will need a wire with a length of 15488.

I hope that this helps! Have a wonderful day!

4 0
3 years ago
What is the theoretical probability that Marco will choose a card with a heart on it?
ch4aika [34]

Considering that there is no real question content here, we can't be for sure, so I am just going to say 100% probability since it seems like that is the only card he can pick from ; ~ ;

6 0
4 years ago
The mean, median and mode of the five numbers are same. if four numbers are 7,7,5 and 7, what must be the fifth number?
Morgarella [4.7K]

Answer:

The fifth number is <u>9</u>

Step-by-step explanation:

7 is the mode because it appears the most.

7 has to be the median, so the fifth number could be anything.

7 has to be the mean, so you would do:

7 x 5 = 35

35 - 7 - 7 - 7 - 5 = <u>9</u>

7 0
3 years ago
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