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blagie [28]
3 years ago
9

Please help me I am very confused and I can’t get it wrong!!!!

Mathematics
1 answer:
Ann [662]3 years ago
6 0

Answer:

The answer that you are looking for is b

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Days before a presidential​ election, a nationwide random sample of registered voters was taken. Based on this random​ sample, i
dimaraw [331]

Answer:

D. ​No, because​ 50% is within the bounds of the confidence interval.

Step-by-step explanation:

"52% of registered voters plan on voting for Robert Smith with a margin of error of plus or minus±​3%"

This means that the 95% confidence interval for the percentage of people that plan on voting for Robert Smith is

(52-3 = 49%, 52+3 = 55%).

We can't say that he will win the election, because at the 95% confidence level, the proportion is not guaranteed to be above 50%.

So the correct answer is:

D. ​No, because​ 50% is within the bounds of the confidence interval.

4 0
4 years ago
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How to get the lateral area of a rectangular prism? Plz Explain
Keith_Richards [23]
If by lateral area you mean the total surface of the rectangle :

each side appears twice so the total area A will be

A=2(length*width+width*height+height*length)=16*8+8*4+4*16
A=224

If you meant lateral area as in the total area minus the top and bottom base:
A=2(width*height+height*length)=8*4+4*16=96
7 0
3 years ago
If f(x)=4x2=1 and g(x)=x2-5, find (f-g)(x)<br>A:3x2+6<br>B:5x2-6<br>C:3x2-4<br>D:5x2-4
Alex787 [66]

For this case we have the following functions:

f (x) = 4x ^ 2 + 1\\g (x) = x ^ 2-5

We must find(f-g) (x):

By definition of operations with functions we have:

(f-g) (x) = f (x) -g (x)

So:

(f-g) (x) = f (x) -g (x) = 4x ^ 2 + 1- (x ^ 2-5) = 4x ^ 2 + 1-x ^ 2 + 5 = 3x ^ 2 + 6

Answer:

Option A

3x ^ 2 + 6

5 0
4 years ago
ARE THESE CONGRUENT OR NOT????
tekilochka [14]
Yes, they are congruent. Congruent means that they are exactly equal in size and shape. The are both Right Triangles (you can tell by the 90 degree angle) and the lines on them are in the same spots, which means, line YZ is equal to line BC, and that line XZ is equal to line AC. I hope that helped! :)
8 0
3 years ago
in a board game you must roll two 6-sided number cubes. you can only start the game if you roll a 3on at least one of the number
omeli [17]

Answer:

1-(5/6)^2

31% chance

1 in 3.272727273 rolls

Step-by-step explanation:

4 0
3 years ago
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