03/02/20

#### In an certain species of newt, offspring are born either green or black.

In an certain species of newt, offspring are born either green or black. Suppose that 60% of these newts are born green. If we sample 123 of these newts at random, the probability distribution for...
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11/13/19

#### A political candidate has asked you to to conduct a poll to determine what percentage of people support her. If the candidate only wants a 1.5% margin of error at a 97.5% confidence level, what size

A political candidate has asked you to to conduct a poll to determine what percentage of people support her. If the candidate only wants a 1.5% margin of error at a 97.5% confidence level, what...
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07/03/19

#### What makes statistics economical reports so varied and different?

Search for `Iran's GDP` in Google, and what you will see is an image representing GDP of Iran, compared to other neighbor countries. It gives us the value of **393.4 billion USD (2015)**.Now in...
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06/20/19

#### What benefits does Bitcoin (i.e. cryptocurrency) offer?

I really, really like moderate inflation. I live in Sweden where the interest rates just went negative because we are on the brink of deflation, and the rate of inflation we have now is far too...
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06/17/19

#### Is zero inflation desirable?

Is zero inflation really desirable?To be more precise: Does inflation in real life have benefits that in some situations outweigh its social cost? E.g.: it works as a disincentive against holding...
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06/16/19

#### Are savings necessary for economic growth?

So, I've had this confusion for a long time. We all know how spending is absolutely vital for economic growth. However, at the same time, are savings necessary too?My initial opinion was "no". In a...
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06/03/19

#### probability distribution of coverage of a set after X independently, randomly selected members of the set?

I have a set of numbers where I am randomly and independently selecting elements within a set . After a number of these random element selections I want to know the coverage of the elements in the...
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06/03/19

#### Closed form equation for win percentage of two battling armies?

I was pondering a battle mechanic for a board game that is similar to, but simpler than battling armies in Risk. Consider one army of size X and a second army of size Y. The battle occurs by...
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05/06/19

#### Math Question I Need Help with TODAY 5.6 Question 6!!

The accompanying data represent the percentages of teenagers in various countries that have used certain drugs. Complete parts (a) through (c) below.
Country
A
B
C
D
E
F
G
H
I
J
K
Drug 1,...
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04/28/19

#### I need some math help..!

Gonzalez Manufacturing borrowed $27000. Part of the money was borrowed at 8%, part at 10%, and part at 12%. The annual interest was $2720, and the total amount borrowed at 8% and 10% was...
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