Friday
May 24, 2013

# Posts by Barbara

Total # Posts: 196

statistics
A normal population has a mean of 21 and a standard deviation of 5. Compute the z value associated with 24 What proportion of the population is between 21 and 24? What proportion of the population is less than 18?

Chem 141
Write the three thermochemical equations needed to calculate the delta H for the below reaction.? 2Mg(s) + O2(g) --------> 2 MgO(s) delta H rxn = ? (Include delta H values in kJ for each reaction)

Accounting
Bank Stmt Balance \$4270.00 Add Rejected Checks 140.00 Deposited Checks 1650.00 Ending Balance \$6060.00 Book Balance \$4000.00 Add Checks Issued 2500.00 Cust Pd Direct 170.00 Dividend 250.00 Deduct Staples Order -700.00 Bank Charges -160.00 Ending Balance \$6060.00

Statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: A. a sample of 10 with a mean of 44. B.a sample of 1 with a mean of 48. The general population of indiv...

Statistics
For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size 3.

Soc.331
Discuss current trends affecting social welfare. Do modern trends favor the solution of social issues? What are the most effective social welfare organizations today in your opinion, and why?

Marketing 421
Hewlett-Packard sells personal computers through specialty computer stores, electronics superstores, and its own Internet site. What is the marketing mix variable that is being considered here?

Algebra 1
find the domain of the function: g(x)=2/5-9x

algebra
I had the answer 34 I just wanted to know if I had done it correct. Thank you.

algebra
For three consecutive passes the football team gained 10 yards and then loses 23 yards and then gains 47 yards. What is the total net yardage?

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