Thursday
January 29, 2015

Posts by PsyDAG


Total # Posts: 19,116

Math
24/6 = ? = r C = 2πr^2
August 7, 2014

statistics (?)
What does c and d signify?
August 6, 2014

Computer needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 6, 2014

Psyc, statistics
This should help: http://drdavespsychologypage.homestead.com/Proving_a_Point.pdf
August 6, 2014

Interpersonal Communication
The first two qualities benefit, while the last two negate interpersonal communication.
August 6, 2014

Psychology
"If people define situations as real, they are real in their consequences." W. I. Thomas, 1923
August 6, 2014

science
There are two independent variables — foods and temperature, with whatever criterion you want to indicate the cooking results as the dependent variable.
August 5, 2014

Stat
a. In a normal distribution, 50% are above the mean. For confidence interval, 95% = mean ± 1.96 SEm b. Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find ...
August 5, 2014

Chemistry
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. What is your question?
August 4, 2014

Statustics
a. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two Z scores. Multiply by 100 to get %. b. Find table in the back of your statistics text ...
August 4, 2014

statistics (?)
No data given.
August 3, 2014

statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.025) and its Z score = 1.96. 95% = mean ± 1.96 SEm
August 2, 2014

statistics
Yes and Yes.
August 2, 2014

statistics
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for that Z score. For the sample mean, Z = (score-mean)/SEm SEm = SD/√n Use same table for the Z scores.
August 2, 2014

math
I see 8 positons, which include both before and after all the consonants and the present one.
August 2, 2014

statistics
You would have 8 cells. With such a small sample, you will need a correction for that fact. http://udel.edu/~mcdonald/statsmall.html
July 31, 2014

Finance needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. I would need definitions of M1, M2 and M3, since I don't have the Fed definitions.
July 31, 2014

Statistics (?)
It would help if you proofread your questions before you posted them… "a _____ level"? If you mean alpha error level, the statement is true. The less likely error is, the more confident you can be.
July 30, 2014

Research Methods
As long as the distribution is normal, the SD cuts off particular percentages. As the distribution deviates from normal, these percentages no longer apply.
July 30, 2014

English
https://owl.english.purdue.edu/owl/resource/747/02/
July 29, 2014

PUBLIC SPEAKING
"informative" is all it does.
July 29, 2014

maths lit,life science,economics,history
It's your decision. However, consulting a guidance counselor will help you make your decisions, since your interests will probably fit more than one career. They have interest tests that should help you decide. Even so, you still would need to acquire the skills related to...
July 29, 2014

physical
In the future, for this type of question, you can consult your online or hard copy dictionary. cell 1. a small room in which a prisoner is locked up or in which a monk or nun sleeps. synonyms: room, cubicle, chamber; More historical a small monastery or nunnery dependent on a ...
July 28, 2014

Science
It would be helpful, if you explored a question that is significant for you. Have you never asked, "Does A have any effect on B?" Pick a topic that relates to your life. We can't do that for you.
July 28, 2014

statistics
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.10) in the smaller area and find the Z score. Insert in equation above to find the score.
July 27, 2014

Biology
I agree with bobpursley.
July 27, 2014

Biology
Agree
July 27, 2014

Biology
Agree.
July 27, 2014

Statistics
Assuming a normal distribution, .066 - .033 < .066 < .066 +.033
July 27, 2014

College Bio
Zero, all offspring would be Pp. Do you know how to use a Punnett square? http://en.wikipedia.org/wiki/Punnett_square
July 26, 2014

math
Closest to a square would give the max area, 200 by 200 = 40,000
July 26, 2014

statistic (?)
Data missing.
July 26, 2014

Social Science - Science
We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. What do you want to research?
July 25, 2014

Biology
Agree
July 24, 2014

Biology/ a&p
Agree
July 24, 2014

math (?)
How can a = 1/a ?
July 24, 2014

math
f = cb + d(total ounces-b)
July 24, 2014

Biology/Science
Yes.
July 23, 2014

Statistics
Multiply 5.4 by 8 to get in the same units. Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for your Z score.
July 23, 2014

Spanish
Fundas? Sleeves?
July 22, 2014

short story
The emotional meaning rather than the denotation, the dictionary definition. To call a woman a "cow" in the USA, would infer that she is fat and ungainly. (It does not mean that she is herbivorous and chews her cud.) However, in India, since cows are sacred, it might...
July 22, 2014

Math 221
Subtract 2L from both sides and then divide both sides by 2.
July 21, 2014

statistics (?)
Sample data lacking.
July 20, 2014

Statistics/Probability
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z scores. Multiply by 400.
July 20, 2014

algebra 2
x^2 - 7x + 6 = 0 (x-1)(x-6) = 0 x = 1 x = 6
July 20, 2014

statistics (?)
Lacking data.
July 19, 2014

science
Per unit volume, it does.
July 19, 2014

statistics (?)
What conclusions?
July 19, 2014

Algebra
Calculate the mean for each, then get the total of the differences between the mean and the individual scores. Which sum is smallest?
July 19, 2014

Math 221
Cowling's Rule d=D(a+1)/24 d = 187 D = 500 Solve for a.
July 17, 2014

Math
Metric measures translate easel to decimals, e.g., 1.2 cm.
July 17, 2014

Statistics/Probability
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two Z scores.
July 17, 2014

Science
Assuming that you are talking about the biological fitness of a species, I would agree.
July 15, 2014

science
A liquid solution is a homogeneous mixture of two or more substances whose main constituents are of liquid form. Liquid solutions may have very different properties depending on the type of liquids in the solutions. Liquid solutions are widely used in the industrial sector in ...
July 14, 2014

algebra
miles/gallons = x
July 14, 2014

Maths lit,economics and business studies
That depends on your interests and abilities. Inquire with a school counselor. They have interest tests available that might clarify your interests.
July 14, 2014

statistics
Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score. You will use probability between score and mean plus 50%.
July 13, 2014

Math (?)
Can't make sense of what you have posted.
July 13, 2014

Math 221
Divide numerator and denominator by 5. 130/105 = 26/21
July 13, 2014

math
Take the median cost of both to estimate. (42.5/30 * $3.29) * 7 = ?
July 13, 2014

math (?)
What is your question?
July 13, 2014

Dietetics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
July 12, 2014

MATH
It would help if you proofread your questions before you posted them. Lacking Data. Please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you.
July 12, 2014

math
Z = (score-mean)/SEm = (2.9 - 3)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
July 12, 2014

English
4, since Snow White and Pinocchio are two different animations.
July 11, 2014

psy 315 (?)
It would help if you proofread your questions before you posted them. Confusion between commas and periods.
July 11, 2014

psy 315
What is your hypothesis/question?
July 11, 2014

English
Just because you "take away 300 points from one team" does not necessarily mean that those points will given to another team, so they do not have the same meaning.
July 11, 2014

statistics
Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two Z scores.
July 10, 2014

statistics
From your data, the mean for each widget would be 2.6 and the mean for the box would be 12*2.6 = ?
July 10, 2014

Math
1. Depending on the values of the numbers, it could be 5 or 6. Try 100^2 and 999^2. Are you searching for a maximum or minimum? 2. I don't know either. 3. Agree.
July 8, 2014

Statistics
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to the Z scores. a. in smaller portion b. Between Z scores and mean
July 8, 2014

Math/Statistics
Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
July 7, 2014

business stats (?)
"probability that…" what ?
July 7, 2014

math
.05x = 15 Solve for x.
July 7, 2014

statistics
15/200 = ?
July 7, 2014

Math
Factor each dimension. 450 = 5 * 2 * 5 * 3 * 3 330 = 5 * 2 * 3 * 11 What are the common factors?
July 6, 2014

statistics
We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. Which experiment would want to do?
July 6, 2014

psychology
We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
July 6, 2014

Psychology
We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
July 6, 2014

statistics
You are looking for a distribution of means rather than raw scores. Z = (score-mean)/SEm SEm = SD/√n Now go to your Z table.
July 6, 2014

Statistics
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.415) related to the Z scores. Insert Z values into the above equation.
July 4, 2014

Math (?)
What is the finance charge?
July 4, 2014

Biology
Use Key Words to Google for information.
July 4, 2014

Biology
Since this is not my area of expertise, I searched Google under the key words "components of cell nucleus" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=components+of+cell+nucleus&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
July 4, 2014

health care
https://www.google.com/search?client=safari&rls=en&q=How+will+longitudinal,+multidisciplinary+electronic+patient+records+affect+the+quality+of+dental+care&ie=UTF-8&oe=UTF-8&gws_rd=ssl
July 3, 2014

probability (?)
It would help if you proofread your questions before you posted them. Data Lacking.
July 2, 2014

math
We cannot draw on these posts. Can you try a circle, rectangle and square?
July 2, 2014

math (?)
What properties?
July 2, 2014

Science
Producers are organisms that make their own food through photosynthesis or other reactions and are a food source for other organisms (e.x. plants, extremophile benthos communities). Consumers are organisms that ingest other organisms, like plants, in order to gain energy (e.x...
July 2, 2014

Statistics (?)
Data lacking.
June 30, 2014

Statistics
(50.5-50.25)/(52-50) = ?
June 30, 2014

Statistics (?)
Data Lacking.
June 30, 2014

Statistics
What is a "nonstandard normal distribution"? For Z scores: Mean = 0 SD = 1
June 30, 2014

Math-Circles (?)
An equation requires an equal sign.
June 29, 2014

statistics (?)
Sample data missing. For the value needed, find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability of the outliers on each of both ends (.05, .025, .005) and the Z score. 90% = mean &...
June 29, 2014

science
What is your introduction, which needs to include the purpose of the project? In relation to your purpose, what did the data you found lead you to conclude?
June 28, 2014

There is one more
Welcome!
June 27, 2014

There is one more
3x = x + 700 2x = 700 Take it from here.
June 27, 2014

probabilty
Cannot draw a tree here. However, you only have 3 colors, so the tree should start with the total (50), with three branches of 24, 17 and 9.
June 27, 2014

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