Monday
August 29, 2016

Posts by PsyDAG

Total # Posts: 22,170

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .25 * .25 * .50 = ?
May 5, 2016

Math
Something seems wrong here. Would this mean that, if the ride is only 9 miles, John would not have to pay anything?
May 5, 2016

Math
200/5 = 40/1 or 40 miles per inch. Take it from there.
May 5, 2016

Math (help)
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/2 * 3/6 = ?
May 5, 2016

math
When x = -2 then -5(-2+2) = -5(0) = 0
May 5, 2016

Math ---HELP!!!!!
I misread the Question, so your answer
May 5, 2016

Math ---HELP!!!!!
Agree.
May 5, 2016

Math ---HELP!!!!!
Disagree. "More than" includes everything below the mean.
May 5, 2016

Math ---HELP!!!!!
disagree Z = (score-mean)/SEm SEm = SD/√n Use previously mentioned table.
May 5, 2016

Math ---HELP!!!!!
agree
May 5, 2016

Math ---HELP!!!!!
right
May 5, 2016

Math ---HELP!!!!!
Sorry, I didn't see your answer. You are right.
May 5, 2016

Math ---HELP!!!!!
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 the Z score. Multiply by 100. However, if you realize that the mean and median are the same in a normal ...
May 5, 2016

Math ---HELP!!!!!
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 the Z score. Multiply by 100.
May 5, 2016

Algebra
Perimeter = 2L + 2S Area = L*S
May 5, 2016

Maths
340/x
May 5, 2016

MATH ANSWER HELP
What is you question?
May 5, 2016

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 3/12 * 2/7 = ?
May 5, 2016

math
3/6 = ? http://drdavespsychologypage.homestead.com/Odds__Figuring.pdf
May 5, 2016

Science one question dont understand plz help ASAP
I don't understand your question either. Miles is distance, while months is time. Do you have some type of conversion equation?
May 4, 2016

Math
disagree. % above +1 SD.
May 4, 2016

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.
May 4, 2016

Math
agree.
May 4, 2016

Algebra (?)
Lacking data. Cannot copy and paste here.
May 4, 2016

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. How long is a marathon? Don't understand your hint. Typos?
May 4, 2016

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 later post.
May 4, 2016

Math
agree with second answer.
May 4, 2016

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.
May 4, 2016

math
Absolute value is the value regardless of the sign, 10.
May 4, 2016

math literacy, life science, history,sotho
Consult with your school counselor, who can help you assess your abilities and interests to determine which careers would suit you. Cost will vary with amount of advanced training needed.
May 4, 2016

Algebra
y = √(3x+3) For x = 2 y = √(3*2 +3) = √9 = 3
May 4, 2016

science
It is extremely unlikely that any tutor has access to your text. in addition, 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. You can submit...
May 4, 2016

math
How can player Pi win, if "i<j"?
May 4, 2016

Math
Welcome
May 4, 2016

Math
Assuminga normal distribution, find the mean first = sum of scores/number of scores 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 ...
May 4, 2016

Math
Since you are dealing with a select group, I would expect little variation. 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.
May 4, 2016

maths(Please help me out)
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 each Z score. Multiply by 80.
May 4, 2016

Math (Mrs. Sue, please help?)
y = 3x + 4 2x + 3y = 10 Substitute 3x+4 for y in the second equation and solve for x. Insert that value into the first equation to solve for y. Check by putting both values into the second equation.
May 4, 2016

Psychology
It makes it easier for us to respond, if the answer is indicated in the question, e.g., ***. 13. correct 14. Assuming that people have self-limiting assertions, I would pick C. 15. Disagree 16. Disagree 17. disagree 18. disagree 19. disagree 20. DK Have you used your textbook?
May 4, 2016

Psychology
Disagree with all. Use your textbook!
May 4, 2016

Psychology
After responding to your later posts, I'm not even going to bother responding to this post until you indicate that you have put some real effort into finding the answers.
May 4, 2016

Psychology
You need to study. Disagree on both.
May 4, 2016

Psychology
Wrong again, B.
May 4, 2016

Math
To meet a 27 mpg requirement, you need to be at least 27 mpg.
May 4, 2016

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 other post.
May 4, 2016

Math (?)
No graph. Cannot copy and paste here.
May 4, 2016

science
internal pressure in the can
May 4, 2016

science
What are your choices?
May 4, 2016

Writing-research
https://www.google.com/search?client=safari&rls=en&q=writing+research+topic&ie=UTF-8&oe=UTF-8&gws_rd=ssl
May 4, 2016

Math (?)
How high is the wall?
May 4, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .85^5 * .15^3 = ?
May 4, 2016

math (?)
No triangle shown.
May 4, 2016

Science
https://www.google.com/search?client=safari&rls=en&q=Characteristics+non-living+things&ie=UTF-8&oe=UTF-8&gws_rd=ssl
May 4, 2016

Science
Sure.
May 4, 2016

Math
Median is defined as the point where 50% of the values lie below and 50% lie above.
May 3, 2016

Math
3*9 + 7 - 15 = ?
May 3, 2016

Algebra PLEASE HELP ASAP
Agree on all.
May 3, 2016

Statistics
If you are only considering one question, 1/4.
May 3, 2016

Math
-30 = 3(-10)
May 3, 2016

Math (?)
Typos? (14+2)2 - 2 = 16*2 - 2 = 32-2 = 30
May 3, 2016

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 2/5 * (2-1)/(5-1) = ?
May 3, 2016

Math
Disagree. Look up definition.
May 3, 2016

???
Can you print your whole question in English?
May 3, 2016

Maths
L = 3B 2L + 2B = 2(3B) + 2B = 84 Solve for B, then L.
May 3, 2016

Math
7.5
May 3, 2016

Math Please Help (?)
No graphs. Cannot copy and paste here.
May 3, 2016

Math
Find the mean first = sum of scores/number of scores 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
May 3, 2016

Math
One Gallon = 4 quarts One pint = 2 cups one Quart = 2 pints
May 2, 2016

math
Convert all to cl. 1500 - 20x = 60 Solve for x.
May 2, 2016

Science (?)
What is your question?
May 2, 2016

Math
4/12 = ?
May 1, 2016

math
Answering your question for one toss. Are you looking for P(2-4)? Either-or probabilities are found by adding the individual probabilities.
April 30, 2016

algebra
Subtract 2x^2+5x-10 (from?) 3x^2-x+9 (3x^2-x+9) - (2x^2+5x-10) = x^2 -6x + 19 What grid?
April 30, 2016

MATH
2 + (-3) = ? -7 + 4 = ? -1(-7) = 7 Typo?
April 30, 2016

Algebra
Object 1 travels 9 feet per second. Object 2 travels 10 feet every 60 seconds.
April 29, 2016

Math
Assuming that you want to generalize to all cancer patients, all cancer patients would be the population, the 675 patients would be the sample, and the 76% and 63% are statistics.
April 29, 2016

Statistics
Wouldn't the probability of rejecting the null hypothesis be easier(more likely), if you have a larger alpha level? In other words, if you are using P=.05 it is easier to reject the null hypothesis than if you were using P=.01.
April 29, 2016

Stat
Do you have a typo? It would take an extremely deviant score (>100) to drop the mean from 100 to 9 by omitting it.
April 29, 2016

algebra
https://www.google.com/search?client=safari&rls=en&q=proportional+relationship+requirements&ie=UTF-8&oe=UTF-8&gws_rd=ssl
April 28, 2016

Math
Assuming that two numbers that = 11 are the tens and hundreds places: 6 + 5 = 11 659
April 28, 2016

Math
(17+15)/total number = ? Multiply ? by 100.
April 28, 2016

science help pls pls
If a plurality of scientists disagree, would you call it accurate?
April 28, 2016

Algebra
How about C, S and U too?
April 28, 2016

statistics
Z = (score-mean)/SD (one trout) 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. Z = (score-mean)/SEm SEm = SD/√n Use Same Table. 93.8% = mean &...
April 28, 2016

maths olympiad
https://www.google.com/search?client=safari&rls=en&q=class+six+Maths+olympiad&ie=UTF-8&oe=UTF-8&gws_rd=ssl
April 28, 2016

math
One similarity is that 85, 17, 19 and 2 are all < 100.
April 28, 2016

Genetics
All the children will receive the dominant X^D from mommy. What does that tell you?
April 27, 2016

math (?)
How big is the container that is being painted?
April 27, 2016

math
Ones digit is 9, hundreds is 3.... Take it from there.
April 27, 2016

Maths
B = A + 15 B + 25 = 3A Substitute A+15 for B in the second equation and solve for A.
April 27, 2016

Probability
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events (9/10).
April 27, 2016

statistics
Z = (mean-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 Z. Is it ≤ .01?
April 27, 2016

math 102
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 95/100 * 95/100 * 5/100 = ?
April 27, 2016

prealgebra
You are welcome.
April 27, 2016

prealgebra
Incorrect probability. P(5) = 1/6 for one toss P(5) = (1/6)^12 for 12 tosses However, with your data, I would agree with C.
April 27, 2016

Math
Doesn't a plus sign (+) tell you to add? m^2 - 9
April 27, 2016

math
1.25/20 = x/6 Solve for x.
April 27, 2016

GEN.
In terms of perception, background is the area around whatever your figure is. In terms of a person, background is his/her past experiences.
April 27, 2016

Physics
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. What are your choices?
April 27, 2016

science
Since this is not my area of expertise, I searched Google under the key words "Doppler effect applications" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Doppler+effect+applications&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
April 27, 2016

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