Monday
April 21, 2014

Posts by PsyDAG


Total # Posts: 17,499

Science (?)
What are your choices?

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.

math
How about blackjack?

math
What is the legal voting age?

Statistics
P = probability that rejecting the null hypothesis is due solely to chance factors. What is your null hypothesis? If Ho = no difference, then I would agree with you.

experimental psychology
Have questionnaires for subjects to explore these phenomena or have behavioral criteria that allow one to infer these phenomena.

Media/Social Science
Since this is not my area of expertise, I searched Google under the key words "theory of Habermas" to get these possible sources: http://www.google.com/search?client=safari&rls=en&q=theory+of+Habermas&ie=UTF-8&oe=UTF-8 In the future, you can find the information you ...

math
Whenever x = 0, value is on Y-axis.

Science
Since this is not my area of expertise, I searched Google under the key words "Transcription and translation" to get these possible sources: http://www.google.com/search?client=safari&rls=en&q=transcription+and+translation&ie=UTF-8&oe=UTF-8 In the future, you can fin...

Stats
Probability of picking pepperoni on the first pick = 1/13. Assuming that customer does not want to "double up" on any topping, 12/13 for first pick for some other topping and 1/12 for second for pepperoni. If the events are independent, the probability of both/all ev...

math-statistics (?)
With your limited data, it is hard to tell. I don't know what the numbers represent. They need to be labeled better.

statistics
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 labeled something like "area...

maths (?)
Can you be more specific? Area? Perimeter? Width? Length?

Consumer Math
P = 2L + 2W Room size is irrelevant.

psychology
Cerebral cortex makes rational decisions…usually.

Algebra
Hint: Where is the x?

psy
Have you tried the conditioning theories of Skinner or Pavlov?

math
Just substitute values and calculate. L = 50+11(14)/7+10^2/4(25)

math
A. Let x = years ago 6(15-x) = 40-x Solve for x. B. B = 3J (B+7) +( J+7) = 68 Substitute 3J for B in second equation and solve for J. Insert that value into the first equation and solve for B. Check by inserting both values into the second equation.

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. O = 1/4 A = 1/3

multiplying
If x=y, then it could be 15x^2 or 15y^2.

statistics
a. mean ± 2 SD = ? b. 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. c. Your decision.

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

math
A. Let x = odd, then x+1 = even 4x + 14 = 3(x+1) Solve for x. B. (x + x+1 + x+2 +x+3)/4 = 16 C. (x + x+1 + X+2)/9 = 7 I'll leave you to use a similar process to solve the last one.

college stats (incomplete)
Lacking needed data.

Stats ()
You can answer 1-3 just by citing the data. EVave = sample mean SEave = SEm = SD/√n Z = (score-mean)/SEm 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 ...

com
If you don't have choices, try online or hard copy dictionary.

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.

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.

maths
Your data is only for the maximum temperatures. There is no data on the minimum.

college stats
2. 95% = mean ± 1.96 SEm SEm = SD/√n 3. 90% = mean ± 1.645 SEm 5. Z = (score-mean)/SEm 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 scor...

stats college
Which one has the highest percentage?

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.

Math
(10+5)/(20+5) = ?

Math
(A) 2/2 = 1 + 24 = ? (B) 4/2 = 2 + 7 = ? C) 5/3 = 1 2/3 + 2 = ? Add them together. Use the same process with the remaining problems.

Biology
Since this is not my area of expertise, I searched Google under the key words "fennec fox" to get these possible sources: http://www.google.com/search?client=safari&rls=en&q=fennec+fox&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire more quic...

Math
1 - .3 - .15 = ?

Psychology HELP !
It is asking for what you think.

Bio
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.

Bio
1. Right 2. http://www.google.com/search?client=safari&rls=en&q=metabolism&ie=UTF-8&oe=UTF-8 3. Right

Bio
1. The experimental group receives the independent variable. The control group is similar to experimental, except it does not receive the independent variable. Extraneous variables are balanced between experimental and control groups. 2. http://www.google.com/search?client=saf...

statistics (incomplete)
More data needed.

statistics
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 labeled something like "area...

statistics
Have followed the instructions on page 349?

Psychology
Right.

math
1. let x = single rooms x + (3x+8) = 120 2. Let x = helper, then x+5 = mechanic 6(x + x+5) = 114 Solve for x.

math
You're welcome.

math
2x1 + 4x1/10 + 9x 1/1,000 = 2x + .4x + .009x

physics
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Since this is not my area of expertise, I searched Google under the key words "acceleration due to gravity formula" to get these po...

statistics (?)
What are your choices?

statistics
Ho: women's level > men's 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 t...

Algebra 1A
Although these suggestions are not specifically related to math, I hope they will be helpful. http://drdavespsychologypage.intuitwebsites.com/Learning_Requirements.pdf http://drdavespsychologypage.intuitwebsites.com/Learning_Hints.pdf http://drdavespsychologypage.intuitwebsite...

business communcation
If those are your choices, A.

Statistics (?)
I don't know how you define "simulations." If it is the number of intervals, A would be the answer.

Statistics
Whatever year the percent was less than the maximum of the confidence interval of 20%, 2000 and 2003.

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

Psychology
Agree with 1 and 2. However, once aware of symptoms and concerns, I would suggest ruling out organic disorders.

math
a) 13/52 = ? b) 13/52 = ? c) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. d) one card not a diamond = (52-13)/52. Take it from here.

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

Medical law needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

algebra (incomplete)
Lacking needed data.

algebra
Either-or probabilities are found by adding the individual probabilities. 1/2 + 1/2 = 1

statistics
About 68% of scores will be between 67-83 (±1 SD), 95% between 59-91 (± 2 SD), 99% between 51-99 (±3 SD).

math
.8(2300) - 250 = ? .2(2300) + 250 = ?

Statistics
For any normal distribution, about 68% lie between ± 1 SD.

psy/315
I searched Google under the key words "comparison distribution hypothesis testing" to get these possible sources: http://www.google.com/search?client=safari&rls=en&q=Comparison+distribution+hypothesis+testing&ie=UTF-8&oe=UTF-8 In the future, you can find the informat...

Spanish
What is the context for each of these words? If the person being described is feminine, the o endings would change to a.

Math
If the license tags are not included as taxes: 860/11595 = ? If the tags are included as taxes: (860+95)/11595 = ?

ststistics
Statistics is a branch of math used to summarize data and test hypotheses.

stats
If you are testing for significant differences: 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 s...

Psychology
It depends on how you define normal behavior. I searched Google under the key words "definitions of normal behavior" to get these possible sources: http://www.google.com/search?client=safari&rls=en&q=definition+of+normal+behavior+in+psychology&ie=UTF-8&oe=UTF-8 In th...

statistics
99% = mean ± 2.575 SEm SEm = SD/√n

statistics
Within each month, there is more variation in terms of the daily temps.

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Assuming equal amount of odd and even numbers, the probability of getting one odd number is .5.

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. See your previous post.

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. See your previous post.

science
http://www.gobookee.net/publication-manual-of-the-apa-6th-edition/

Science
How would you like us to help?

science
Standardization would allow more effective interpretation of the information given.

science
Since these are only nominal scale data, a bar diagram with content on X-axis and frequency on Y-axis would be good.

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.

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.

Geometry
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Use the Pythagorean theorem: x^2 + x^2 = 8^2 Solve for x.

graduate 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 score.

graduate statistics
Use same process as indicated in your following post.

graduate 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.

PSY/315
For median (b), arrange scores in order of value. Median = 50th percentile = point where half the scores are valued above and half below. (a) Mean = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squar...

Geology (?)
What type of rock are you seeking? Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

Psychology
The prefrontal lobe of the cortex is a decision maker. It has my vote.

math
10º - 2ºh = -8º Solve for h.

Math
Using your formula: $6000 * .07(8) = ? However, after the first year, the principal is 6000 + .07(6000) = $6420, so the second year's interest = $6420 * .07(6420) = ? You need to revise your formula.

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 (.95) and its Z score. Insert Z score into top equation to calculate score.

psy
Schemas

Math
.4 * 50 = 20 20 + 20^2 + 20^3 + 20^4 = ?

Math
If one above a certain number is 3 under another, the difference is 4.

psy/315
Arrange scores in order of value and tally the frequency of each score for the frequency table. 0 = 5 1 = ? 2 = ? 3 = ? 4 = ? 5 = ? 6 = ? 9 = ? We cannot reproduce a histogram here. However, even the frequency table should give you an idea of the relative shape (normal, positi...

Stats
Right.

statistics
7! = "seven factorial" = 7*6*5*4*3*2*1 = ?

math
SEm = SD/√n The larger the sample n, the smaller the SEm.

math
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. Do you consider that probability extreme?

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