Tuesday
July 26, 2016

Posts by PsyDAG

Total # Posts: 22,088

math?
Two ways of what? 1100 550*2? 275*4? 11*100? 2200/2 ?
August 13, 2015

statistics
First Ace = 4/52 Second Ace = 3/51 Queen = 4/50 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
August 12, 2015

stastistics
Assuming a red ball is chosen on first draw, P(w) = 2/4 Assuming a white ball is chosen on first draw, P(w) = 1/4 Either-or probabilities are found by adding the individual probabilities.
August 11, 2015

Science
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. Extraneous variables — other than the independent ...
August 10, 2015

psychology
Since nuture (culture) is different, the similarities are most like to be due to nature.
August 10, 2015

English
Since this is not my area of expertise, I searched Google under the key words "1984 by george orwell summary" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=1984+by+george+orwell+summary&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future...
August 10, 2015

Psychology
Here are some possible sources. https://www.google.com/search?client=safari&rls=en&q=piaget+developmental+stages&ie=UTF-8&oe=UTF-8&gws_rd=ssl Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.
August 10, 2015

Math
(x+5)^2 = (x+5)(x+5) = ?
August 9, 2015

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 8, 2015

Math
Cannot see triangle. You cannot copy and paste here.
August 7, 2015

Life sciences
If that is the typical temperature of the human body, why would you use a different temperature outside the body?
August 6, 2015

Languages Art
You cannot copy and paste here.
August 6, 2015

Languages Art
No choices given.
August 6, 2015

diamond academy
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 6, 2015

Math
1 Mile = 5,280 feet 5,280 * 8.2 * 12 = ?
August 5, 2015

MTH 156
2^6 * 2^7 = 2^13
August 5, 2015

MTH 156
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 later post.
August 5, 2015

Math
If x = apprentice $, then journeyman = 3x and master = 3x * 1.5 x + 3x + 4.5x = 5100 Solve for x, then the others.
August 5, 2015

ithala
What is your question?
August 5, 2015

math
Which methods? Here is one. Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text ...
August 4, 2015

MATH
Data missing.
August 4, 2015

geometry
Perimeter = 2(2x) + 2x I assume you want to compare it to the AREA of the parking lot. Area = 2x^2
August 4, 2015

Math
A = πr^2 Insert values and solve for r.
August 4, 2015

Politics?
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Which campaigns and which protests? Try Googling "campaign process" and "protest process."
August 3, 2015

stats
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.
August 2, 2015

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.
August 1, 2015

Statistics
Z = (score-mean)/SD a, b, c. 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. d, e. Find table in the back of your statistics text labeled something like...
August 1, 2015

physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
July 31, 2015

math
You can't do long division? 101
July 31, 2015

Algebra 2
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. I see an equation, but I don't see any method. Where are your unknowns?
July 30, 2015

science
How about the diffusion caused by the atmosphere?
July 29, 2015

computer
Since this is not my area of expertise, I searched Google under the key words "branching statement computer" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=branching+statement+computer&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, ...
July 29, 2015

computer
Use process shown in your later post.
July 29, 2015

Statistics
What Studies?
July 27, 2015

Statistics
Z = (score-mean)/SEm = (11.7-12)/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 (.01) related to the Z score.
July 27, 2015

science
disagree.
July 26, 2015

science
What subject? Besides, 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 26, 2015

Math
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 = square root of variance
July 26, 2015

Math
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 = square root of variance
July 26, 2015

stats
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 score.
July 26, 2015

stats
95% = 490 ± (490-260)
July 25, 2015

math
Multiply numerator and denominator by same number, e.g., 12/22, etcetera.
July 22, 2015

chemistry needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
July 22, 2015

Probability
(1-.12) * .08 = ?
July 21, 2015

Science
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. More data needed.
July 21, 2015

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 20, 2015

Statistics
Use same process as in you first post, but for ±.025.
July 20, 2015

Statistics
98% = mean ± Z 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 (±.01) and its Z score. Insert data and calculate.
July 20, 2015

math
See Smith's posts.
July 20, 2015

math
8/2 = 4, so it is reduced by a factor of 4. The same would be true for the length.
July 20, 2015

math
See Smith's posts for process.
July 20, 2015

math
Are you Keon or Smith or both? If both, only use one address. See Smith's answers.
July 20, 2015

math
Use same process.
July 20, 2015

math
Move -2.75 to the left side.
July 20, 2015

math
Use process shown in previous post.
July 20, 2015

math
(15 * 20)/2.5 = ?
July 20, 2015

math
1.5 * 4 * 7 = ?
July 20, 2015

maaaath
His cost is 650/250 = 2.6 per apple No idea of his selling price, since I don't know how much his markup is.
July 19, 2015

Business Stats
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. Z = (score-mean)/SEm SEm = SD/√n
July 19, 2015

science
Bake one batch with brown and one with white to compare thinness.
July 19, 2015

science
What is your hypothesis? 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 19, 2015

statisitics
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 of the Z score.
July 18, 2015

Math
Let x = starting money x - 2/3x - 2/3(1/3x) = 200 Solve for x.
July 18, 2015

College Algebra II
(a) 50 + 1000 + 2(1500) + 2(8500) + 3000 = ? I am assuming that the patient needed an anesthesiologist. (b) Go through the same process.
July 18, 2015

probability
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Assuming that the pick is either one box or the other "ball," either-or probabilities are found by adding the individual ...
July 16, 2015

Math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Could be any of a multitude of numbers. What are your choices?
July 16, 2015

Math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared.
July 16, 2015

PSYCH
Google both theories and compare. https://www.google.com/search?client=safari&rls=en&q=Mackintosh's+theory+of+attention&ie=UTF-8&oe=UTF-8&gws_rd=ssl https://www.google.com/search?client=safari&rls=en&q=Rescorla+Wagner+theory+of+attention&ie=UTF-8&oe=UTF-8&gws_rd=ssl
July 16, 2015

PSYCH
I would go with B.
July 16, 2015

Psychology
Typically the "none of above" is the last choice, so it refers to all of the preceding alternatives. In this case, it would only refer to A.
July 15, 2015

Career Choice
In choosing a possible career, it might help to talk to your school counselor, who can ask specific questions to help you to consider choices. S/he can also give you interest tests to suggests careers that might appeal to you.
July 15, 2015

math
(Standard error of sample means) SEm = SD/√n Calculate and compare.
July 15, 2015

percentiles
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Not knowing the distribution of scores, I don't know if your calculations are correct. Unless you have instructions to the contrary, I would round.
July 14, 2015

Career Choices
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. In choosing a possible career, it might help to talk to your school counselor, who can ask specific questions to help you to consider choices...
July 14, 2015

Math
Formula "b  0.01m0.7" is unclear.
July 13, 2015

Psychology
Outside of fatigue, what other environmental factors effect IQ? Were both administrations standardized? What is the reliability of that IQ test? Did the socioeconomic factors improve? https://en.wikipedia.org/wiki/Environment_and_intelligence Don't just copy the material. ...
July 13, 2015

Math
First of all, 150 + 50 + 30 ≠ 250 With that: 1) 50/250 = ? 2) 1 - 30/250 = ?
July 12, 2015

Psychology
A UR is in response to a US, while a CR is in response to a CS. They can both be the same, but may differ in magnitude.
July 12, 2015

Psychology 20 (HELP)
Traits that can be modified with training are due to nurture, those that cannot are do to nature. However, environmental factors can effect the phenotypical traits that are typically determined by genetics (nature), e.g, diet.
July 12, 2015

math
Summing refers to adding.
July 12, 2015

Psychology 20 (HELP)
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 later post.
July 12, 2015

ethical DILEMMA
Google each of the philosophers names along with "views on violent resistance."
July 12, 2015

statistics
1. 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 score. 2. Z = (score-mean)/SEm SEm = SD/√n Use same table.
July 11, 2015

prob & stat
No Picture
July 11, 2015

english
What are you doing (or plan to do) during your summer vacation?
July 10, 2015

statistics
SEm = SD/√n Do the math.
July 9, 2015

Statistics
Way off. Probability = ticketed drivers/total = 298/527 = ? 1/527 = P(a particular driver was stopped) 1/298 = P(a particular driver was ticketed)
July 9, 2015

math
What statements?
July 8, 2015

math
Since this is not my area of expertise, I searched Google under the key words "algebraic verification of 4 sectors of the circle" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=algebraic+verification+of+4+sectors+of+the+circle&ie=...
July 8, 2015

statistics
What determines bonuses? Z = (score-mean)/SD If Z = +1.00 does: 1 = (score - 8500)/1500 Solve for score.
July 7, 2015

statistics
Need data. https://www.google.com/search?client=safari&rls=en&q=venn+diagram+maker&ie=UTF-8&oe=UTF-8&gws_rd=ssl
July 7, 2015

science
Since this is not my area of expertise, I searched Google under the key words "speed of water evaporation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=speed+of+water+evaporation&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
July 7, 2015

Psychology
An attitude is much more consistent than a "passing thought." Typically it determines your behavior.
July 6, 2015

science
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. 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 ...
July 4, 2015

maths lit,BS and geography
There are many jobs that you might qualify for. I would suggest that you see your school counselor to get more specific information. S/he could also give you interest tests that could tell you how various occupations would fit your interests. I'm not sure what "BS&...
July 3, 2015

math
1/36
June 30, 2015

Chem needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
June 30, 2015

statistics
https://www.google.com/search?client=safari&rls=en&q=slope+equation&ie=UTF-8&oe=UTF-8&gws_rd=ssl
June 30, 2015

physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
June 30, 2015

algebra
A rectangular closet is three dimensional. It also has depth. Are you just considering the door to the closet? W = L/2 - 1 2W + 2L = 40 Substitute L/2 - 1 for W in the second equation and solve for L. Insert that value into the first equation to solve for W. Check by putting ...
June 30, 2015

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