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218254 Questions
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620
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If a population had a standard deviation 12, and you want to compute the 95% confidence interval for the population mean. What should be the
If a population had a standard deviation 12, and you want to compute the 95% confidence interval for the population mean. What should be the minimum sample size in order to be accurate to within 4?
Guest
Apr 26, 2015
0
747
1
ln(42/40) + [0.10 + (0.23²/2)](0.136) (0.23)(√0.136)
ln(42/40) + [0.10 + (0.23²/2)](0.136) (0.23)(√0.136)
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Guest
Apr 26, 2015
0
767
1
1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6000
1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6000
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Guest
Apr 26, 2015
0
592
0
What can't be derivatived?
What can't be derivatived?
Guest
Apr 26, 2015
0
631
2
What's 9 + 10?
What's 9 + 10?
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Guest
Apr 26, 2015
0
1165
1
find the area A of the region bounded by the gragh of y=x+1,the x-axis,and the lines x=2 and x=4
find the area A of the region bounded by the gragh of y=x+1,the x-axis,and the lines x=2 and x=4.
CPhill
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Guest
Apr 26, 2015
+3
811
5
I can't log in, so here's my solution.
So my computer keeps acting up, so I can't log in or anything, so after everything I do, I'll do a signature. It will go like this:
JackFrost300😍
So that's my new electronic signature. So yeah. Please read this!
zegroes
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Guest
Apr 26, 2015
0
2156
1
+1821
A fair 6-sided die is rolled. If the roll is even, then you win that amount of dollars (so that, for example, if you roll 4, then you win $4
A fair 6-sided die is rolled. If the roll is even, then you win that amount of dollars (so that, for example, if you roll 4, then you win $4). If the roll is odd, you win nothing. What is the expected value of your winnings? Express your answer as a dollar
read more ..
CPhill
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Mellie
Apr 26, 2015
0
718
0
How to find the scaling factor of a catenary?
How to find the scaling factor of a catenary?
Guest
Apr 26, 2015
0
2252
1
a cone and a sphere have the same radius and the same volume.what is the relation between the height(h) and the radius(r) of this cone?
a cone and a sphere have the same radius and the same volume.what is the relation between the height(h) and the radius(r) of this cone?
Alan
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Guest
Apr 26, 2015
+2
3411
1
+1821
Two numbers between $0$ and $1$ on a number line are to be chosen at random. What is the probability that the second number chosen will exce
Two numbers between $0$ and $1$ on a number line are to be chosen at random. What is the probability that the second number chosen will exceed the first number chosen by a distance greater than $\frac 14$ unit on the number line? Express your answer as
read more ..
CPhill
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Mellie
Apr 26, 2015
0
724
1
Quadratics
How do you graph quadratics? I know the long way of solving them, but I have to do 16 problems and that would take forever... so how would I use my graphing calculator to solve? The first problem is x(x-7) = 0 as an example.
Alan
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Guest
Apr 26, 2015
0
720
3
what is 9 + 10
what is 9 + 10
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Guest
Apr 26, 2015
0
582
1
what is what
what is what
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Guest
Apr 26, 2015
0
1192
4
+906
Project
hey guys, i may not be on for the next few hours when it says im online cuz i gotta go and do my Age of Exploration project
HeatherF
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HeatherF
Apr 26, 2015
0
760
3
To whoever wanted that account on that thing...
So you actually think that someone would buy a full paid account for a brat like you? I mean, you obviously would never do something like that for somebody else, now would you? You must be insane, and stupid. You really think that it's realistic to buy
read more ..
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Guest
Apr 26, 2015
0
745
2
What's the square root of 345?
What's the square root of 345?
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Guest
Apr 26, 2015
0
942
3
How to solve ln(2^x+2)=2xln(2) ?
How to solve ln(2^x+2)=2xln(2) ?
First attempt:
ln(2^x+2)=2xln(2)
ln(2^x+2)=ln(2^2x)
read more ..
Alan
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Guest
Apr 26, 2015
0
4372
1
- 2x² - x² = ?
- 2x² - x² = ?
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Guest
Apr 26, 2015
0
1506
3
how many inches is 1.3 feet
how many inches is 1.3 feet
Mellie
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Guest
Apr 26, 2015
0
832
3
decrease £860 by 41%
DarkBlaze347
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Guest
Apr 26, 2015
0
872
9
I need a chat!☺️
Please somebody chat with me! I'm feeling really down and out right now. Thank you sososososo much if you do! 😄
Dbg4thebest
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Guest
Apr 26, 2015
0
1516
2
what is the exact value of sine 30 degree + cosine 30 degree + tangent 30 degree?
what is the exact value of sine 30 degree + cosine 30 degree + tangent 30 degree?
Alan
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Guest
Apr 26, 2015
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