Saturday
November 22, 2014

Posts by PsyDAG


Total # Posts: 18,702

life sciences
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.
May 12, 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 score. Multiply by 93.
May 12, 2014

science
If that happened, there was probably some trauma to the heart, so the organism would die.
May 12, 2014

Matth
16/(18+16+22) = ?
May 12, 2014

math
2.25/12 = ? 3.24/18 = ? The answers to the two equations should lead you to answer the 3 questions.
May 11, 2014

math (?)
It would help if you proofread your questions before you posted them. What is "one 25_ -pound bag"? I assume it is not one 25-pound bag. If it is: 15 * 25 = ?
May 11, 2014

math (?)
The information you need would vary, depending on the type of business decision you wanted to make. What decision concerns you?
May 10, 2014

Biology
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Disagree with all except #2. 1. Food goes through small intestine before large. 3. What do you think the rocks are for? 4. Look up the ...
May 10, 2014

Ethics in Criminal Justice
Whenever you have rights and privileges, duties and responsibilities are also present, not only for the other but for one's self.
May 10, 2014

math
Assuming that a and b are both ≥ 1, A.
May 10, 2014

math
Looks like PQ is divided into thirds. What does that tell you?
May 10, 2014

math
(80-20)/80 = ? Change to %.
May 10, 2014

health
Get a coach.
May 9, 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. However, I will start you out. Find the mean first = sum of scores/number of scores. ...
May 9, 2014

brilient stars
(3-2) * 40 = ?
May 9, 2014

physical (?)
What is your question?
May 9, 2014

statistics (?)
No data. You cannot copy and paste here.
May 9, 2014

Science
https://www.google.com/search?client=safari&rls=en&q=Fr,+atomic+number+87&ie=UTF-8&oe=UTF-8
May 9, 2014

Biology
Since this is not my area of expertise, I searched Google under the key words "shade avoidance in auxin in plants" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=shade+avoidance+in+auxin+in+plants&ie=UTF-8&oe=UTF-8 In the future, ...
May 8, 2014

statistics (?)
Cannot tell what values go with what variables.
May 8, 2014

statistic
It would help if you proofread your questions before you posted them. P typically stand for probability, which cannot be greater than 1.
May 8, 2014

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 13/52 * (13-1)/(52-1) = ? I don't understand what you want in the last sentence.
May 8, 2014

statistics
A parameter is a value related to the total population, while statistic only relates to a sample, a portion of the population. That should help you to come to your own answers.
May 8, 2014

Algebra Help!!!
https://www.google.com/search?client=safari&rls=en&q=Graphing+Square+Root+Functions+on+Connexus&ie=UTF-8&oe=UTF-8
May 8, 2014

Math
250/(60)^2 = x/(96^2) Solve for x.
May 8, 2014

Math
Z = (score-mean)/SD Use your table or find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities of Z scores to the mean. Add.
May 8, 2014

math (?)
What is your question?
May 7, 2014

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 "...
May 7, 2014

Science
Since this is not my area of expertise, I searched Google under the key words "physics force" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=physics+force&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire ...
May 7, 2014

Maths
y = 3x - 1 x^2 + (3x-1)^2 = 12 x^2 + (9x^2 - 6x + 1) = 12 10x^2 - 6x - 11 = 0 I don't see factors for this equation.
May 7, 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.
May 7, 2014

math (?)
It would help if you proofread your questions before you posted them. Data missing.
May 7, 2014

science
Yes
May 7, 2014

science
Since this is not my area of expertise, I searched Google under the key words "function of the nucleus in a cell" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=function+of+the+nucleus+in+a+cell&ie=UTF-8&oe=UTF-8 In the future, ...
May 7, 2014

math
1. D 2. A
May 7, 2014

statistics
8/46 = W/3000 Solve for W.
May 7, 2014

Math (?)
What is your question?
May 7, 2014

Math (?)
Lack data.
May 6, 2014

Math
5 can be obtained by 4,1; 1,4; 2,3 or 3,2. 4/36 = ?
May 6, 2014

Math!!
Online "^" is used to indicate and exponent, e.g., x^2 = x squared. 27 + (3+2*5)^2 = 27 + 13^2 = ? OR 27 + 3 + 2*5^2 = 30 + 50 = ? OR 27 + 3 + (2*5)^2 = 30 +100 = ?
May 6, 2014

science
I would agree.
May 6, 2014

Algebra 2
Online "^" is used to indicate and exponent, e.g., x^2 = x squared. 4^-2 = (1/4)^2 = 1/4 * 1/4 = 1/16
May 6, 2014

Math 221
4y^3 u^2
May 5, 2014

biology (?)
What are your alternatives? You cannot copy and paste here.
May 5, 2014

Algebra
(-5x/x+3)-(7/x+3) (-5x-7)/(x+3)
May 5, 2014

math (?)
What is your question?
May 5, 2014

Science
Since this is not my area of expertise, I searched Google under the key words "energy transformations during skydiving" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=energy+transformations+during+skydiving&ie=UTF-8&oe=UTF-8 In ...
May 5, 2014

math
75 + 3s < 12s
May 5, 2014

Algebra
3 * 1 = 3 5a * a^2 = 5a^3 When multiplying terms, you add the exponents.
May 5, 2014

math
These are factors you consider important, and will vary with your needs. For example, are you going to use their credit card. If you pay off the card completely each month, the interest on the amount carried forward will have little meaning for you. If not, it may be an ...
May 5, 2014

probability
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Spade = 13/52, club = 13/(52-1) face = 12/52, 8 = 4/(52-1) I don't know how they could be wrong either. Text typos?
May 4, 2014

math
Since this is not my area of expertise, I searched Google under the key words "three sections of the statement of cash flows" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=three+sections+of+the+statement+of+cash+flows&ie=UTF-8&oe...
May 4, 2014

math
https://www.google.com/search?client=safari&rls=en&q=mean+absolute+deviation&ie=UTF-8&oe=UTF-8
May 4, 2014

statistics
Ho: µ Pop = µ sample Ha: µ Pop < µ sample 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 ...
May 4, 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.
May 4, 2014

Math (check)
Yes
May 4, 2014

Science
Since this is not my area of expertise, I searched Google under the key words "ethical issues behind cloning" to get these possible sources: http://search.aol.com/aol/search?query=ethical+issues+behind+cloning&s_it=client-addressbarmac-unauth In the future, you can ...
May 4, 2014

Statistics
Statistical?
May 4, 2014

algebra (?)
What is your question?
May 4, 2014

algebra
(7√π)/(√π) = 7
May 4, 2014

Science
Since this is not my area of expertise, I searched Google under the key words "Forces affecting falling objects" to get these possible sources: http://search.aol.com/aol/search?query=Forces+affecting+falling+objects&s_it=client-addressbarmac-unauth In the future, you...
May 4, 2014

Statistics
95% = mean ± 1.96 SEm SEm = SD/√n Where does 4 cm fit in this distribution?
May 4, 2014

applied statistics
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. Would you say that mother's age might cause number ...
May 4, 2014

math
295 + .15(k-1000) < 389 Solve for k.
May 3, 2014

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 "...
May 3, 2014

Math
Q = 2.5D 10D + 25Q = 225 Substitute 2.5D for Q in second equation and solve for D. Insert that value into the first equation and solve for Q. Check by inserting both values into the second equation.
May 3, 2014

statistics
4. C 5. B
May 3, 2014

statistics
B. However, there is no data given that indicates which diet lost more pounds.
May 2, 2014

Science
Essentially all species have dominant and recessive traits. Once you know the genotypes of the parents, you can use a Punnett square to determine the frequencies in the offspring.
May 2, 2014

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.
May 2, 2014

math 1 question pls help!!!
(138-129)/138 = ?
May 2, 2014

Math needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
May 2, 2014

algebra (?)
It would help if you proofread your questions before you posted them. What is the power of x?
May 2, 2014

maths
3.14 = π. Are you sure that value is for the radius? SA = πrs + πr^2
May 2, 2014

Math
(x^3-2x-4)/(x-2)
May 2, 2014

statistics
Were the subjects expressing liking of both animals the same or different? Need to know total number of subjects.
May 2, 2014

Statistics
Gets smaller
May 2, 2014

math
No figure shown. Online "^" is used to indicate and exponent, e.g., x^2 = x squared. It would help if you proofread your questions before you posted them. You omitted π. V = 4/3πr^3 = 4/3 * 3.14 * 4.5 * 4.5 *4.5 = ?
May 2, 2014

math (?)
What formula?
May 2, 2014

Math 2
3/5
May 2, 2014

Algebra
(1/3)/4 = ?
May 2, 2014

Science
No, what if the water is calm?
May 2, 2014

Math
Only 8/8 and 2/2 can be written as 1.
May 1, 2014

statistics
two-sample t-test
May 1, 2014

Space Exploration
Can you divide into capital and maintenance costs?
May 1, 2014

math
Since this is not my area of expertise, I searched Google under the key words "how much lottery revenue has been allocated to education in North Carolina" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=how+much+lottery+revenue+has...
May 1, 2014

math (?)
What are your choices? You cannot copy and paste here.
May 1, 2014

Math
It doesn't look like you did a problem. 2x - 28 + 3 = 7x + 5 -30 = 5x -6 = x
May 1, 2014

Statistics
.05 * 300 = 15 This means you would expect 15 tests to be significant solely by chance.
May 1, 2014

Statistics
With your limited data, I would pick C, because the confidence level includes zero.
May 1, 2014

science
Since this is not my area of expertise, I searched Google under the key words "restriction enzymes genetic engineering" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=restriction+enzymes+genetic+engineering&ie=UTF-8&oe=UTF-8 In ...
May 1, 2014

Algebra
https://www.google.com/search?client=safari&rls=en&q=math+ac+method&ie=UTF-8&oe=UTF-8
April 30, 2014

biology
Since this is not my area of expertise, I searched Google under the key words "ways that DNA mutation can alter genetic material" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=ways+that+DNA+mutation+can+alter+genetic+material&ie=...
April 30, 2014

algebra
Z = (score-mean)/SD Insert values and solve for SD.
April 30, 2014

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.
April 30, 2014

Probability
One parent is Bb and the other is bb. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8
April 30, 2014

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.
April 30, 2014

Probabitilty
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 30, 2014

science
Since this is not my area of expertise, I searched Google under the key words "ocean area with few living things" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=ocean+area+with+few+living+things&ie=UTF-8&oe=UTF-8 In the future, ...
April 30, 2014

Algebra 2
Online "^" is used to indicate and exponent, e.g., x^2 = x squared. 5^4 = 5 * 5 * 5 * 5 = 625
April 30, 2014

Pages: <<Prev | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | Next>>

Search
Members