Friday

January 30, 2015

January 30, 2015

Total # Posts: 14

**math stats**

how do i draw a histogram for the data (8,0,7,5,5)
*January 24, 2012*

**math(stats)**

sample of n=5 scores (8,0,7,5,5) make an estimate of the standard deviation by finding average distance of the smallest and largest distance from the mean
*January 24, 2012*

**math**

A six sided die is rolled three times. List possible outcomes and find the probability of rolling exactly one 6.
*January 23, 2012*

**math (stats)**

A biology professor gives a surprise quiz consist of a true/false question followed by a multiple choice question with four possible answers. If both questions are answered with random guesses, find the probability that both responses are correct. Please show your work.
*January 23, 2012*

**math**

A couple intends to have four children. Assume that having a boy and girl is equally likely event. a) List sample space b) Find the probability that couple has two boys and two girls; c) Find the probability that couple has at least one boy
*January 23, 2012*

**math (statistics)**

Suppose you are looking for a job. You interview with a company that has 10 general employees each make $100 per day, 7 assistants each make $400 per day, 3 managers each make $900 per day, and the owner who makes $1900 per day. The interviewer tells you that the average ...
*January 23, 2012*

**Chemistry**

how many valence electrons does a carbon radical possess?
*September 25, 2011*

**chemistry**

how many carbons in nonane are in the sp2 hybridization state
*September 24, 2011*

**organic chemistry**

how many carbons in nonane are in the sp2 hybridization state
*September 23, 2011*

**organic chemistry**

state whether you would expect each of the following properties to be identical or different for the two enantiomers of 2-pentanol. Explain a)boiling point b)optical rotation c)solubility in hexane d)density e)solubility in (S)-3-methylhexane f)dipole moment g)taste
*September 18, 2011*

**organic chemistry**

state whether you would expect each of the following properties to be identical or different for the two enantiomers of 2-pentanol. Explain a)boiling point b)optical rotation c)solubility in hexane d)density e)solubility in (S)-3-methylhexane f)dipole moment g)taste
*September 18, 2011*

**Chemistry**

A reaction A+B---> C has a standard free energy change of -5.13 kj/mol at 25 degrees celcius, What are the concentrations of A, B, and C at equilibrium if at the beginning of the reaction there concentrations are .3M, .4M, and 0M respectively?
*September 6, 2011*

**Chemistry**

if 8.7 g of butanoic acid is dissolved in enough water to make 1.0 L of solution, what is the resulting pH
*September 6, 2011*

**chemistry**

if atoms give off light, why dont they glow?
*April 25, 2011*

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