Thursday

April 24, 2014

April 24, 2014

Total # Posts: 811

**Probability**

Using standard deviation. Normally distributed mean of 0 degrees standard deviation of 1.00 degrees celcius. 1. between 0 and 1.28 2. greater than 0.37 3. less than -0.92 4. between 1.50 and 2.50 5. between -0.90 and 1.95 6. less than 0 I don't know how to solve these prob...

**Statistics**

Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses re made and each question has 6 possible answers. My answer is 1/36 Assume that the data has a normal distribution and the number of observations is greater than 50. F...

**algebra 1**

the sum of a & b is twice as big as n That statementcan be written as the equation (a+b) = 2 n Are there any more parts to your question? It is not possible to say what a, b or n is, exactly. The equation is a relationship between the three numbers.

**English**

What is the differecne between a weaseler and a downplayer. Since this is not my area of expertise, I searched Google under the key words "weaseler downplayer" to get these possible sources: http://military.coastline.edu/classes/philosophy115/lessons/chapter4lesson8-...

**Computers**

What learning resources are avavilable over the Internet? http://www.google.com/search?hl=en&lr=&as_qdr=all&q=+%22learning+resources+available+on+the+Internet%22

**Computers**

What sources can users learn more about computers? Since you have a computer and access to the internet, you should use search engines to narrow your quest for information.

**chemistry**

How do you know the state of an element or compound when writing chemical equations? Unless otherwise known, assume the state of the element at room temp. Here is the real problem. For aqueous compounds, ie, compounds dissolved in water, you have to have that given. There is a...

**chemistry**

Distinguish between table salt dissolving in water and sugar dissolving in water. The formula for table sugar is C12H22O11. It freely dissolves in water as the sugar molecules; i.e., it is in solution as C12H22O11. On the other hand, table salt is NaCl. When it dissolves in wa...

**Personal Finance**

compare a reular cash dividend with a periodic share repurchase

**sound waves**

What a vibrating object dose to the air particles around it? It makes them move...creating pressure waves that propagte thru the air, which we detect as sound if it is in the "sound" frequency wave

**vibrations**

what a vibrating object dose to the air particles around it? The vibrating object sends out a pressure-variation (sound) wave of compressions and rarefactions, with a frequency equal to the vibration rate.

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