Saturday
December 7, 2013

# Posts by Cj

Total # Posts: 212

math
write an example of the associative proerty of addition.

Statistics
Hello...I need help with the following question, I have the answer but am not sure how to solve it. Any help would be greatly appreciated. Thank you What is the 'z' value assuming the normal distribution applies in a right-tailed test within area equal to .01? Answer: ...

college algebra
how to solve this problem. Completing the square. Find the value of a such that u^2-8u+a is a perfect square

Criminal justice system 250
Why is it important for a security professional to know specifics about the particular target environment to which they are assigned? How can experienced security professionals prepare themselves for challenges and opportunities they have never encountered before? Is it possib...

trig
verify: cot(-t)+csc(-t)/sin(-t)=1/1-cos(t)

Statistics - Is it from Normal Distribution
I think I know how to answer the following question IF I assume that the distribution is normal - however, since the question doesn't say that it comes from a normal distribution - should I proceed differently? Question reads: The mean IQ among members of a club is 118 wit...

Statistics
The applet is great! But I wonder, given the information I have, can I assume that the distribution is normal? (The mean IQ among members of a club is 118 with a standard deviation of 9.46. What percentage of the members had IQ scores of 115 or higher?) If it isn't normal ...

Statistics
The mean IQ among members of a club is 118 with a standard deviation of 9.46. What percentage of the members had IQ scores of 115 or higher?

science
Follow on the Sall Sue question earlier. What frequency would be required for sally and her cheerful and hard-wroking partner to produce the standing wave with three nodes. Identify the steps.

physics
Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave sally sue sent Frequenc...

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