Saturday
August 30, 2014

Posts by PsyDAG


Total # Posts: 18,027

Dice Probability
There is only one #2 and one #3 on each die. 1/6 * 1/6 = 1/36
September 30, 2013

Beginners Spanish
¿Hay cuánta tarea hoy? But I would rather ask: ¿Tengo que hacerlos?
September 30, 2013

mitx (??)
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. It would help if you proofread your questions before you posted them. No figure available. Pressure values missing.
September 29, 2013

Stats/ Probability
Probability of NOT getting a 1 = 5/6, getting a 1 = 1/6. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. For five tosses: (5/6)^4 * 1/6 = ?
September 29, 2013

Math
Since this is not my area of expertise, I searched Google under the key words "distributive property of rational numbers" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=distributive+property+of+rational+numbers&ie=UTF-8&oe=UTF-8 ...
September 29, 2013

Math
Equals about,"≈" (found with option and x)
September 29, 2013

statistics,math
Pearson would use two variables to find their relationship, like height and weight. Choose your own behavioral variables. Chi square would use categories, like college majors of graduates by gender. Choose your own behavioral variables.
September 29, 2013

stats
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.
September 29, 2013

Need to know how to do it, not just answer
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.
September 29, 2013

Math
If average of 1/2 inch per file, then there would be 2 * 8 * 46 files per unit. 2*8*46x = 736x = 40,000 Solve for x.
September 28, 2013

Average deviation
Whatever unit is being used for the distribution.
September 28, 2013

Science (Graphing) ASAP
2,8 4,16 6,24 etc. To know how far, you need to know how many seconds.
September 28, 2013

Science
Since this is not my area of expertise, I searched Google under the key words "Mitosis and Meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Mitosis+and+Meiosis&ie=UTF-8&oe=UTF-8 In the future, you can find the information ...
September 28, 2013

Math
How can we tell what you discovered, what strategies you used or what you needed to check? Since this is not my area of expertise, I searched Google under the key words "Fibonacci sequence" to get these possible sources: https://www.google.com/search?client=safari&...
September 28, 2013

MATH
(7*3)+5 = 26 chocolates and (7*3)+1 = 22 caramels = ?
September 28, 2013

MATH
More data needed. 12 chocolates and 8 caramels is one possibility. 19 chocolates and 15 caramels is another.
September 28, 2013

science
The number of chromosomes would double with each generation.
September 27, 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.
September 27, 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 (±.4750) and the related Z scores. Insert Z scores both into the equation above.
September 27, 2013

Science
The genetic variability is limited?
September 27, 2013

Biology
Since this is not my area of expertise, I searched Google under the key words "taxonomic nomenclature" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=taxonomic+nomenclature&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
September 27, 2013

science
Zoological nomenclature just includes animals, while biological nomenclature also includes plants.
September 27, 2013

PSY/315
https://www.google.com/search?client=safari&rls=en&q=double+negative+logic+involving+hypothesis+testing&ie=UTF-8&oe=UTF-8
September 27, 2013

Math
At my advanced age, I swim 50m in about 70 seconds. What does that tell you?
September 27, 2013

genetics
More varieties.
September 27, 2013

Spanish
Mi profesor preferido es Profesor Johnson.
September 27, 2013

biology
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.
September 26, 2013

prelag8
2^3 = 2*2*2 = ?
September 26, 2013

math
You want to combine terms? 4/7c - 14 + 6/14c - 28 Multiply by 14 8c - 196 + 6c - 392 = 14c - 588 Divide by 14 c - 42
September 26, 2013

Algebra
1/2x + 1/4x = 16 Multiply by 4 2x + x = 3x = 64
September 26, 2013

5th Math (incomplete)
inadequate data.
September 25, 2013

Education
Have you read the text?
September 25, 2013

Education
I would agree.
September 25, 2013

Maths
15 - 11 = 4
September 25, 2013

math
Assuming the 800,000 is Km, 1/800000 = x/5320 Solve for x.
September 25, 2013

math
1. 1/2x + 9 < 33 2. 6 ≤ 4 - 2x In both cases, solve for x.
September 25, 2013

Math
(5*2)x + 8(x+2) = 142 Solve for x.
September 25, 2013

Math
D = 52 - N 10D + 5N = 10(52-N) + 5N = $4.50 Solve for N.
September 25, 2013

biology
We cannot draw on these posts.
September 24, 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.
September 24, 2013

statistics
Use same process as indicated in your following post.
September 24, 2013

Math (?)
What table?
September 24, 2013

psychology
Nature traits essentially cannot be changed for that individual (at least, not yet), but the nurture aspects can be modified. What can be learned can be unlearned.
September 23, 2013

math (?)
What numbers are you dealing with?
September 23, 2013

anatomy
"Lateral" means "on the side."
September 23, 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 between the two Z scores.
September 23, 2013

Math (?)
What figure? How many trapezoids(N)? 6 + 3*6*N = ?
September 23, 2013

PSY 102
The jet passengers are closer to the earth's center of gravity.
September 23, 2013

science
1/6 = .1666667 = .17 At surface gravity (what you weigh on the surface of the earth), you weigh 85 pounds. On the moon, you would weigh .17 * 85 = ?
September 23, 2013

math
You can make comparisons more easily.
September 23, 2013

math (partial)
To start you out, 8.7 rounds to 9, not 8.
September 23, 2013

Science
The variety of gene combinations help some members of the species survive catastrophic changes in the environment.
September 23, 2013

Math (partial)
When you square a number, you multiply it by itself. The answer to your second question would depend on the specific problem. Do you have and example?
September 22, 2013

AP Bio; (?)
We do not have access to your graph.
September 22, 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 for each Z score.
September 21, 2013

Psychology
Positive transfer occurs when a new stimulus (S) is attached to a previously learned relationship between an S and a response (R). For example, positive transfer occurs when you learn multiplication after you have learned addition. Suppose you learn that 2 + 2 = 4. The "2...
September 20, 2013

statistics
"equilibrium" = equals 15x-900 = 2x+530 Solve for x.
September 20, 2013

Math
I assume that the diagonal of the square and the side of the triangle are not the same, since the diagonal would form an isosceles triangle with the sides of the square. 72 * 3 = ?
September 20, 2013

Math
∑x = 1+2+3+5+8+10 = ? Since the only squares you show are X^2, I don't see any difference between the last two. ∑X^2 = 1+4+9+25+64+100 = ?
September 20, 2013

MATH
1200/4 = 300/min 5280/300 = ?
September 20, 2013

MATH
1000 meters = 1 kilometer 360 seconds = one hour b/1000 * 360 * 5 = ?
September 20, 2013

Statistics
A. Ho: Time ≥ 3 Ha: Time < 3 B. Ho: mpg < ad Ha: mpg ≥ ad
September 20, 2013

Medical needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
September 19, 2013

math
It is not a prime number?
September 19, 2013

math process
If the numbers are both odd and add to 10, they can be 9 and 1 or 7 and 3, but not 5 and 5, since that has no remainder when divided by 5. That leaves you with four possibilities. Speedo has it.
September 19, 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.
September 19, 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.
September 19, 2013

Math
You will be dealing with similar units.
September 19, 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.
September 19, 2013

Help Plz.. Algebra II
$65 + $.10(minutes used-allowed) = $73.40 Cannot solve, since there are two unknowns.
September 19, 2013

SS
a and c.
September 19, 2013

statistics
In terms of income, the deviant scores are generally the highest ones. The mean, functioning as a fulcrum or balance point, is most effected by deviant scores.
September 19, 2013

algebra (?)
Segments of what? Insufficient data.
September 19, 2013

Math
.2/.004 = x/120 Solve for x.
September 18, 2013

math
1^2 = 1 4(3)^2/3 = 4(9)/3 = 36/3 + ?
September 18, 2013

stastistics (?)
What intervals? 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 between your Z scores.
September 18, 2013

Math
Correlation does not necessarily mean causation. I would choose c.
September 18, 2013

algebra
y = 3.25x - .75 -4.5x - 2y = -4.5x - 2(3.25x-.75) = 12.15 Solve for x, then y. To check, put both values into your first equation in your question above.
September 18, 2013

math
Let x = amount each person has. x - .24x = x + 36 Solve for x and multiply by 2.
September 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.
September 18, 2013

math
Let x = regular cost of dinner. x - .05x + .20(x-.05x) = $18.24 Solve for x.
September 18, 2013

MATH
1. Use n = 10 and n = 1 for both taxi services and compare. 2a. 35p + 105n b. 2*65 + 37b + 75 3. Not dividing. 2250 - 150m = ? Substitute minute values and solve.
September 18, 2013

algebra
It could be 8 by 6(2), 10 by 5(2) 0r some other combination. To maximize the area, you want to get it as close to a square as possible.
September 18, 2013

Algebra
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.
September 17, 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.
September 17, 2013

Math (HELP PLEASE)
These are estimates. Total: NC = 48 K = 29 Daily 48/124 = ? 29/85 = ?
September 17, 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.
September 17, 2013

math
60 * .60 = ?
September 17, 2013

Math
h = 2b h * b = 2b * b = 128 Solve for b, then h.
September 17, 2013

Math (?)
What estimates are being considered? 10 + 60 = ? 9 + 63 = ?
September 17, 2013

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 3(15) * 40(7) -1000 = ?
September 17, 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.
September 17, 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.
September 17, 2013

PSY202
If you cannot find these terms in your text or its glossary, Google them.
September 17, 2013

algebra (?)
It would help if you proofread your questions before you posted them. Which of the equal signs is a typo? 7x(9-3) = 7x(6) = 42x = 2 If this is your equation, divide 2 by 42.
September 17, 2013

psy202
Since feelings are expressed through child-rearing practices, I would pick the first choice.
September 17, 2013

math
Since this is not my area of expertise, I searched Google under the key words "fractions tee-pee method" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=fractions+tee-pee+method&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
September 17, 2013

Statistics
Since only one of the two teams competing can win, 1/2.
September 17, 2013

math
187(7.35) + (380-187)8.37 = ?
September 17, 2013

science
Yes.
September 17, 2013

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