Monday
September 1, 2014

Posts by PsyDAG


Total # Posts: 18,027

math
1.483.56 has 6 significant figures.
November 18, 2013

algebra
A square has all sides of equal length. You do not have a square. For a rectangle, 2[(4x+3)+3(2x - 5)] = ?
November 18, 2013

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 your later post.
November 18, 2013

math
$14,260/24 = $594.17 19.63/594.17 = ?
November 18, 2013

statistics (?)
What is your question?
November 18, 2013

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. How did you get zero? In all = 9 * 3 = ? Twice = 2 times 9 * 2 = 18
November 18, 2013

Math
Right. See later post for second problem. 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.
November 18, 2013

Math
All correct except 3. Each basket in basketball counts as two points. Also, online “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.
November 18, 2013

statistica
Conclude H1 at the 5% level of significance, since it is a one-tailed test and it is well beyond the 90% confidence limits.
November 17, 2013

stats
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
November 17, 2013

Statistics
a, b. No inferences being made. c. There is no data for other nights, so this is an inference.
November 16, 2013

Statistics
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.
November 16, 2013

Math
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.
November 16, 2013

science10
To get help, you need to post specific questions.
November 16, 2013

Statistics
Proportion = # in category/total number
November 16, 2013

Statistics
When you have specific data, it is descriptive. When you go outside the actual data, it is inferential. 1. a, b and c infer. 2. a describes, b and c infer.
November 14, 2013

Math 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. Reverse process with last question, starting with .90.
November 14, 2013

science
coitus, genes, traits?
November 13, 2013

science
Was the girl cloned? Otherwise it is not exact.
November 13, 2013

maths
100 cm = 1 m 60/100 = ?
November 13, 2013

statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability ([1-.87]/2) and its Z score. 87% = mean ± Z(SD) Fill in the values and calculate.
November 13, 2013

statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability ([1-.99]/2) and its Z score. 99% = mean ± Z(SEm) SEm = SD/√n
November 13, 2013

Math
Area = 1/2 height*base Assuming that the above are height and base, 170 * 800 = 136,00 sq. feet 1 acre - 43,560 sq. feet 136,000/43,560 = ?
November 12, 2013

math
a. 5.24 * 2 = ? billion b. 5.24 * 4 = ? c. 5.24 * 8 = ?
November 12, 2013

Statistics
http://www.chegg.com/homework-help/definitions/type-i-and-type-ii-errors-31
November 11, 2013

Statistics
See Previous post.
November 11, 2013

Statistics (Ooops)
Excuse me. Is .05 > P > .01? Again, we don’t know.
November 11, 2013

Statistics
C. Is the .05 > Alpha > .01? We don’t know.
November 11, 2013

math (?)
I don’t know how you define “1 block.” Jane’s amount factors into 15 * 5, therefore Peter would factor to 15 * 2 = 30. Is that what you mean by “1 block”?
November 11, 2013

Math (?)
Each person received 7/4 pounds. 2(7/4) were given to food pantry. It would help if you proofread your questions before you posted them. You seem to be missing a unit designation for the apple sauce. 1 2/3 what?
November 10, 2013

HR (?)
What Human Relations function did you choose?
November 10, 2013

math
Find the mean first = sum of scores/number of scores. Range = highest score - lowest score. 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 ...
November 10, 2013

Science
I would agree with D.
November 10, 2013

statistics
P is less than OR equal (≤) .01, which leads me to believe that taking aspirin reduces mortality.
November 9, 2013

Biology
Since this is not my area of expertise, I searched Google under the key words "proton pump input output" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=proton+pump+input+output&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
November 9, 2013

statistics
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 related to the Z score. Do you consider it appropriate? b) It would help if you proofread your questions ...
November 9, 2013

statistics
Percent = 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 one-half of the desired percentages to find the Z score and its distance from the ...
November 9, 2013

Statistics
99% = mean ± 2.575 SEm SEm = SD/√n
November 9, 2013

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 your Z score.
November 9, 2013

Statistics
95% = mean ± 1.96 SEm SEm = SD/√n
November 9, 2013

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 "...
November 9, 2013

science
As the distance increases, the gravitational forces between the two objects decreases. It is an inverse relationship. This means the statement is true.
November 8, 2013

Math (Ooops)
Sorry, I goofed. Mia Culpa!
November 8, 2013

Math
Steve seems to be ignoring that you might pick 4 socks of the same color in a row.
November 8, 2013

Math
First the choice of one color = 4/8. With the 7 remaining socks, the choice of the other color = 4/7. With 3 remaining of each color in the 6 socks left, P = 3/6. If the events are independent, the probability of both/all events occurring is determined by multiplying the ...
November 8, 2013

science
Since the sound has to travel in both directions: 340 * 5.2/2 = ?
November 7, 2013

statistics
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.
November 7, 2013

MATH
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. a) (1-.05)(1-.21) = ? b) .05(1-.21) = ? c) Follow same process. d) This is saying that either h or k will qualify. Either-or ...
November 7, 2013

Math
From your set of numbers, there is no mode or modal class. If the scores were grouped into intervals, one could be the modal class. The mean or median would be better to indicate average class sizes. Any of the measures of central tendency can be used, if the distribution is ...
November 7, 2013

spanish (Ooops!)
I'm sorry that I misinterpreted, since in los Estados Unidos, we us the period to indicate less that one. What you want is: quinientos treinta miles
November 6, 2013

spanish
quinientas treinta
November 6, 2013

statistic (?)
What is your question?
November 6, 2013

anatomy
Although eye shape can indicate oriental origin, I don't think that any of these are good indicators of race.
November 6, 2013

Science
I agree.
November 6, 2013

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.
November 6, 2013

Psychology
http://psychcentral.com/encyclopedia/2009/operational-definition/ In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
November 6, 2013

Science
Since this is not my area of expertise, I searched Google under the key words "gravitational force between two objects" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=gravitational+force+between+two+objects&ie=UTF-8&oe=UTF-8 In ...
November 5, 2013

Health part 2
Why are you posting these, when the answer is easily available in your text? This article only covers the cerebrum. http://drdavespsychologypage.homestead.com/Brain__General_Anatomy.pdf
November 5, 2013

Health part 2
Do you have a textbook to consult? Use it.
November 5, 2013

Health part 2
How can it be "All of the above" if that includes"Neither of the above"? Opposite of arteries.
November 5, 2013

science
Gravitational pull would pull it into the sun. The inertia of its orbit keeps this from happening
November 5, 2013

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. Multiply by 100 to get the percentage.
November 5, 2013

science (?)
What is your choice? 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.
November 5, 2013

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 81 * 38 = 3078, which is the product. For 81, 3 * 3 * 3 * 3 are factors. However, 81 and 38 are also factors of 3078.
November 4, 2013

math
No data given.
November 4, 2013

Mathjc
x^3 = 27 3*3*3 = 27 x = 3
November 4, 2013

Statistics
P value (e.g., P ≤ .05) is the probability that the null hypothesis is true, even though it may be rejected at this level.
November 4, 2013

math (incomplete)
What is "¨ü "?
November 4, 2013

Statistics
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.
November 3, 2013

Spanish
Nosotras is strictly feminine, while nosotros is masculine or can be used for mixed gender groups.
November 3, 2013

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
November 2, 2013

abnormal psychology
Since they also cover preventative strategies for disorders, the statement is false.
November 2, 2013

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.
November 2, 2013

Social Psychology
We cannot determine if you were tempted. However, these articles might help you. http://drdavespsychologypage.homestead.com/Influence_Antecedents.pdf http://drdavespsychologypage.homestead.com/Influence__More_Principles.pdf http://drdavespsychologypage.homestead.com/...
November 2, 2013

Math
From your data, with four tosses, you would get 3 tails and one head by chance. The probability of one head would then be 1/4. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
November 2, 2013

Math
This is the same as both are either red or green. red = (20-5-9)/20 green = 5/20 Either-or probabilities are found by adding the individual probabilities. This is for one choice. But you are looking fro two choices. If the events are independent, the probability of both/all ...
November 2, 2013

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 your later post.
November 1, 2013

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 your later post.
November 1, 2013

Math
Probability of a 4 is 1/6, while a probability of a non-4 = 5/6. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/6 * 5/6 * 5/6 = ?
November 1, 2013

science HELP
Since this is not my area of expertise, I searched Google under the key words "air pressure affect cloud formation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=air+pressure+affect+cloud+formation&ie=UTF-8&oe=UTF-8 In the future...
November 1, 2013

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.
November 1, 2013

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.
November 1, 2013

Math
Agree.
November 1, 2013

algebra
distance = rate * time (50*4) < d < (65*4)
November 1, 2013

math (?)
What do the values stand for? Have no idea what you consider problems.
October 31, 2013

science please help
Since this is not my area of expertise, I searched Google under the key words "source uses radio waves" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=source+uses+radio+waves&ie=UTF-8&oe=UTF-8 Do the same for the other waves. In ...
October 30, 2013

Science (?)
It would help if you proofread your questions before you posted them. A current what?
October 30, 2013

Science 😆
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts
October 30, 2013

Math
From the way you have it written, I am assuming that the divisor is only for the second term (3/5). (1/2)+3/5 /[9/10-(-3/5)] = A minus times a minus = a plus. (1/2)+3/5 /[9/10+3/5)] = To make it easier, convert to decimals and combine the two denominator terms. .5 + .6/(.9+.6...
October 30, 2013

science
See previous post.
October 30, 2013

Science
I agree.
October 30, 2013

science
https://www.google.com/search?client=safari&rls=en&q=phases+of+the+moon&ie=UTF-8&oe=UTF-8
October 30, 2013

science
Although this is not my major area of expertise, I would agree.
October 30, 2013

Math
Assuming that the digits cannot be repeated, combinations of 3, 4, 5 or 4, 5, 6.
October 30, 2013

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 later post.
October 30, 2013

Math
(500 + 600)h = 1925 Solve for h.
October 29, 2013

math (?)
You need to Include the question again in your post.
October 29, 2013

Science
Since this is not my area of expertise, I searched Google under the key words "Acid base h+" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Acid+base+h%2B&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire ...
October 29, 2013

Math
When dividing by a fraction, it is the same as multiplying by the inverse of the fraction. 20 divided by 1/7 = 20 * 7/1 = 140 Check with the other problems.
October 29, 2013

algebra 2
Small = 30 - Large 249.99S + 329.99L = 8379.70 Substitute 30-L for S in second equation and solve for L. Insert that value into the first equation and solve for S. Check by inserting both values into the second equation.
October 29, 2013

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