Tuesday
September 30, 2014

Posts by PsyDAG


Total # Posts: 18,337

Psy270
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. Please only post your questions once. Repeating posts will not get a quicker response. In ...
April 13, 2014

math
Section 1 can be either 36 or 49 sq. ft. Choose one and then work for Section 2. We cannot put a grid on this post.
April 13, 2014

Math help
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. http://www.mathsisfun.com/data/correlation.html
April 13, 2014

math
How can we help you?
April 13, 2014

Science
I thought I answered this before. Plant cells are different from animal cells. Since this is not my area of expertise, I searched Google under the key words "Plant animal cell parts" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=...
April 13, 2014

SCI 207
You cannot copy and paste here.
April 13, 2014

Algebra
First of all, it is cubed rather than "squared." It would be best for you to draw a diagram to answer these questions. Only the 3" cubes at the corners will have 3 yellow sides. With 3" cubes, that will leave 6" by 6" by 6" in the center with...
April 12, 2014

Cultural Anthropology Help please!!!
Since this is not my area of expertise, I searched Google under the key words "subsistence strategies anthropology" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=subsistence+strategies+anthropology&ie=UTF-8&oe=UTF-8 In the future...
April 12, 2014

Epi
As long as the data is only generalized to women, gender is not a confounder. Generalized to all people, it is.
April 12, 2014

Statistic
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 4/52 * (4-1)/52-1) * (4-2)/(52-2) = ?
April 12, 2014

alegebra
-12v + 16 - 2 = 13 - 12v Equation is unsolvable. Adding 12v to both sides eliminates the unknown.
April 12, 2014

Statistics
(A) SEm = SD/√n (B) Normal (C, D, E) Z = (score-mean)/SEm 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.
April 11, 2014

Statistics
99.44% = mean ± 1.99 SD
April 11, 2014

Science
Animal cells differ from plant cells.
April 11, 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.
April 11, 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 and their corresponding Z scores. Enter the relevant data in the above equation and calculate the score.
April 11, 2014

statistics
Z = (score-mean)/SD Compare the Z scores for both methods for each question. a. Method A, Z = 0, Method B, Z = -2 Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to ...
April 11, 2014

statistics; emergency please help me
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to each Z score.
April 10, 2014

Soc
http://drdavespsychologypage.homestead.com/Prejudice__Us_vs_Them.pdf
April 10, 2014

Science
I would agree.
April 9, 2014

math
If there are 9 left over from 3 rows and 2 left over from 4 rows, each row must seat 9-2 = 7 pupils So, 7*4 +2 = ? Or, 7*3 +9 = ?
April 9, 2014

Math
130 * .23 = ?
April 8, 2014

Math
"complement of 4" is the probability of 4 NOT occurring.
April 8, 2014

Math
With out further data, I would say they are not equal.
April 8, 2014

health
http://en.wikipedia.org/wiki/Methadone
April 8, 2014

math
Speed = 65 miles per hour
April 8, 2014

ap biology
Since this is not my area of expertise, I searched Google under the key words "barriers to plasmid acquisition" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=barriers+to+plasmid+acquisition&ie=UTF-8&oe=UTF-8 In the future, you ...
April 8, 2014

science
Since this is not my area of expertise, I searched Google under the key words "human gametogenesis male vs. female" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=human+gametogenesis+male+vs.+female&ie=UTF-8&oe=UTF-8 In the future...
April 8, 2014

statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. a. .39^2 = ? b. .39 * (39-1)/(100-1) = ?
April 7, 2014

math
n + 7p = 5.55 3n + 2p = 12.28 Multiply first equation by 3, then subtract one equation from the other. 3n + 21p = 16.65 19p = 4.37 You should be able to take it from here.
April 7, 2014

Math
218/245 * 360º = ?
April 7, 2014

math
A. Substitute the numbers for x and calculate for y. B. Substitute the $62 for y and solve for x.
April 7, 2014

pure liquid (?)
What kind of liquid are you referring to? Water? Alcohol? Mercury?
April 7, 2014

math
πd * 5 = 3.14 *16 * 5 = 251.2 Yep!
April 7, 2014

math
There are many ways, square with 10m sides, rectangle 2m by 18m, etc….
April 7, 2014

COM 200
Jargon
April 7, 2014

Math
It would depend on how you were measuring the temperature. There are two factors operating here. First, the water does lose heat. Second, the body adapts to the temperature, so even without losing heat, the water does not seem as hot. If only a thermometer is being used, that ...
April 7, 2014

Legal needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
April 7, 2014

math
We cannot help unless you state the specific problem.
April 7, 2014

Stats
95% = mean ± 1.96 SEm SEm = SD/√n
April 6, 2014

statistics
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.
April 6, 2014

Math (?)
It would help if you proofread your questions before you posted them. Insufficient data.
April 6, 2014

science (?)
What four variables?
April 6, 2014

Child Psychology
During maturation, the muscles for fine movements develop later, proximodistal development.
April 6, 2014

biology
The parents' genotypes are Bw and ww. Use a punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8
April 6, 2014

science (?)
What four variables?
April 6, 2014

science
Have the solar cell computerized to change its angle along with the sun.
April 6, 2014

Psychology
Rather than "proved or disproved," I would say "supported or contradicted." http://www.psychologytoday.com/blog/the-scientific-fundamentalist/200811/common-misconceptions-about-science-i-scientific-proof I would say 4.
April 5, 2014

Math (?)
Measure them with ruler or measuring tape? Insufficient data to answer second question.
April 5, 2014

math (?)
No figure given. Cannot copy and paste here.
April 5, 2014

statistics
Is the distribution normal, positively skewed or negatively skewed? The average (whichever) rounds to 2. The mean is most influenced by deviant scores, so it would be the lowest in a negatively skewed distribution, having relatively more scores above it. The mode would be ...
April 5, 2014

6th Grade Science - Help
No, Goggle each of your choices.
April 5, 2014

mathematics
4 * 60 = 240
April 5, 2014

science
Agree
April 4, 2014

Business statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .67^3 = ?
April 4, 2014

science
I would say d.
April 4, 2014

science
With the word, "not," I would say b.
April 4, 2014

algebra
Unable to tell with the equation arranged the way it is.
April 4, 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 related to the Z scores.
April 4, 2014

Science
Since this is not my area of expertise, I searched Google under the key words "virus structure function" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=virus+structure+function&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
April 4, 2014

Math (?)
No wall shown. Cannot copy and paste here.
April 4, 2014

Algebra 2
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. However, I will start you out with the first problem. I assume that you want the proportion ...
April 4, 2014

Math (?)
What squares? What is your question?
April 4, 2014

Math
a. 400 + 100 + 2n = 7n b. 400 + 100 + 2n = 6n Solve for n.
April 4, 2014

science
Since this is not my area of expertise, I searched Google under the key words "water mechanical chemical weathering" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=water+mechanical+chemical+weathering&ie=UTF-8&oe=UTF-8 In the ...
April 4, 2014

percentages/word problem
Use similar process as previous post.
April 3, 2014

percentages/word problem
$272.49 = (1-.35)x Solve for x.
April 3, 2014

science
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
April 3, 2014

math
Cannot draw diagrams here.
April 3, 2014

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
April 3, 2014

Math 2 (?)
What diagram? Cannot copy and paste here.
April 3, 2014

math-urgent
Note that you are only asking for the probability of the last draw. 1. Assuming no replacement, there is one less card. 13/51 2. Use same reasoning. 3. Blue ball = 5/11, green ball = 6/(11-1) If the events are independent, the probability of both/all events occurring is ...
April 3, 2014

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. Also, we do not have the diagrams available.
April 3, 2014

Biology
Do you mean most inclusive? If so, ecosystem.
April 3, 2014

maths
I searched Google under the key words "statistics alpha beta error" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=statistics+alpha+beta+error&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire more quickly, ...
April 3, 2014

Human & Physiology
Since this is not my area of expertise, I searched Google under the key words ""nervous system" homeostasis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=%22nervous+system%22+homeostasis&ie=UTF-8&oe=UTF-8 In the future...
April 2, 2014

statistics
Positive, since both are increasing together.
April 2, 2014

Math help
1. One increases, while the other decreases, students present effects empty chairs 2. both increase together, speed effects distance An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a ...
April 2, 2014

ETH/125
I would choose d.
April 2, 2014

English
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your earlier post.
April 1, 2014

English
"Lost in the woods"
April 1, 2014

Math
right.
April 1, 2014

biology
Vas deferens
April 1, 2014

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.
April 1, 2014

Math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See later post.
April 1, 2014

biology
Since this is not my area of expertise, I searched Google under the key words "photosynthesis light dark reactions" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=photosynthesis+light+dark+reactions&ie=UTF-8&oe=UTF-8 In the future...
April 1, 2014

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
March 31, 2014

Math 25 College
Which "same linear equation"? ($22.40 - $12.80)/6 = $1.60/day $1.60 * 30 = $48.00
March 31, 2014

Science
Solar cells? Since this is not my area of expertise, I searched Google under the key words "capturing sunlight" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=capturing+sunlight&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
March 31, 2014

algebra (?)
No plots seen. Cannot copy and paste here.
March 31, 2014

Statistics
You will have to collect the raw data yourself. Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = ...
March 30, 2014

alegbra 1 (?)
What is your question?
March 29, 2014

Medical Billing needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. I have no idea what the acronym, "HIM," means.
March 29, 2014

Biology (fetal pig)
Since this is not my area of expertise, I searched Google under the key words "glottis esophagus" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=glottis+esophagus&ie=UTF-8&oe=UTF-8 In the future, you can find the information you ...
March 28, 2014

math
5/4 * 14 = ?
March 28, 2014

Algebra
90 2200
March 28, 2014

3rd grade math
Cannot draw here. Each person got 1 1/3 pieces.
March 27, 2014

Algebra
It would help if you proofread your questions before you posted them. Data missing.
March 27, 2014

psych
It would help men compete with other men. What does that suggest?
March 27, 2014

Algebra Help!
Cannot show frequency table here.
March 27, 2014

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