Thursday
December 18, 2014

Posts by PsyDAG


Total # Posts: 18,863

programming
We will not help you to hack computers.
December 17, 2014

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. First marble = 5/14 With one less yellow marble, second = 4/13 With another less yellow marble, third = ? Multiply the three ...
December 17, 2014

maths literacy geog business studies bio English a
Your question needs to be much more specific for us to give an adequate response. Your teacher(s) would be able to give much better suggestions.
December 17, 2014

math
It already can be a height measurement. However, 61.125" = 5' 1 1/8" or 5 feet, 1 1/8 inches
December 17, 2014

Statistics
Ho: mean = 8.0 Ha: mean > 8.0
December 17, 2014

math
$7.75/lb.
December 16, 2014

Algebra 1
Using equation, insert one value to see if it calculates to the other.
December 16, 2014

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 2 * 2 1/3 = (2*2) + 2(1/3) = 4 2/3
December 16, 2014

Math
1 thru 9 = 9 10 thru 30 = 21 * 2 = 42 Add the two.
December 16, 2014

math
I am unfamiliar with Excel tools. However, you would be looking for measures of central tendency (mean, mode and/or median) and measures of variability (variance, standard deviation and/or range).
December 16, 2014

statistics HELP!
Assuming that you are using P = .05, 95% = mean ± 1.96 SEm SEm = SD/√n What is the n of your sample?
December 16, 2014

computer math (incomplete)
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
December 16, 2014

Algebra 2
Missing data.
December 16, 2014

Algebra 2
Substitute -2 into each equation and calculate. a. f(x)= 3x +5 = 3(-2) +5 = ? b. f(x) = -5/2x -2 = (-5/2)(-2) - 2 = ?
December 16, 2014

Algebra 2
First, put x = 0 into the equation to find y, then do the same for y to find x.
December 16, 2014

Algebra 1
(-7) (3)- (5)(-3) = -21 - (-15) = -21 + 15 = ?
December 16, 2014

Algebra 1
(x^2 +6) - (3x^2 - 2x -5) = x^2 + 6 -3x^2 + 2x +5 = ? Combine like terms.
December 16, 2014

Math
-2/2 = ?
December 16, 2014

math
3a = c 7a + 3c = 6000 Substitute 3a for c in the second equation and solve for a, then solve for c.
December 16, 2014

Stats
95% = mean ± 1.96 SEm SEm = SD/√n 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 = ...
December 16, 2014

Language Arts
Chapter VIII of what?
December 16, 2014

Science
Which do "you think are most important"?
December 16, 2014

maht
(236-214)/236 * 100 = percent change
December 16, 2014

Statistics
95% = mean ± 1.96 SEm SEm = SD/√n 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...
December 16, 2014

Psychology
Three — "placebo (0 mg), 10mg, and 20mg of a drug."
December 15, 2014

Stats
(61-14)/14 = ?
December 15, 2014

math
What figures?
December 15, 2014

Any math tutor online? Help
Cannot graph here. 1) 175 + 10n = 250 + 7n Solve for n. 2) numbers < n above
December 15, 2014

urgent help statistic
95% = mean ± 1.96 SEm SEm = SD/√n I'll let you interpret.
December 15, 2014

Science
No, watch out for statements with "always" or "never."
December 15, 2014

Science
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (1.5*10^11)/(3*10^8) = .5*10^3 When exponents are multiplied/divided their values are ...
December 15, 2014

Biology
Good, as far as it goes. At conception, the two haploid cells join to create a diploid cell, the start of a new organism.
December 15, 2014

Biology
Right.
December 14, 2014

Science
Since this is not my area of expertise, I searched Google under the key words "genotype complete incomplete domnance" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=genotype+complete+incomplete+domnance&ie=UTF-8&oe=UTF-8&gws_rd=...
December 14, 2014

Math
8/(8+5+10) = ?
December 14, 2014

SOC 320
What is your question?
December 14, 2014

astronomy
No table. You cannot copy and paste here.
December 14, 2014

program eval
I'm not sure what you mean by "quasi-experimental." What criteria are you using to evaluate the program? Are you having a control group?
December 13, 2014

Math
a = 22,000 - 800 * 12 = ?
December 13, 2014

Confidentiality in Allied Health
If you had a disease, especially a sexual one, would you want that to be common knowledge?
December 12, 2014

Confidentiality in Allied Health
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.
December 12, 2014

math
Check her work?
December 12, 2014

problem solving
What rule/theorem are you considering?
December 12, 2014

problem solving
How do we know what problem you are considering?
December 12, 2014

Math
Vertical and horizontal lines do not have both intercepts. If there are infinite parallel, there are infinite perpendicular.
December 12, 2014

Math
Wouldn't the cost depend on the type of shirt you are buying?
December 11, 2014

nat
Disagree. Notice the word, "but."
December 11, 2014

science
Hemophilia is a recessive X-linked disease. Dad has hemophilia and Mom isa carrier. Extrapolate from that information.
December 11, 2014

math
If you only bought 6 notebooks, how do you get 7 and 5? You need to read the problems carefully. x = 6-y 10x + 8y = 56 Substitute 6-y for x and solve.
December 11, 2014

math 120
It would help if you proofread your questions before you posted them. The information below only applies to a normal distribution. Your data do not indicate a normal distribution. Anything over 1.2 SD below the mean would be negative. 95% = mean ± 1.96 SEm SEm = SD...
December 11, 2014

Problem Solving: Make a Table
(2*40)/5 = ?
December 11, 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 15.
December 10, 2014

Math
Zero times anything = 0.
December 9, 2014

Algebra 2
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.005) and its Z score = 2.575. 99% = mean ± 2.575 SEm SEm = SD/√n
December 9, 2014

Algebra 2
What conclusions are listed?
December 9, 2014

Algebra 2
90% = mean ± 1.645 SEm SEm = SD/√n
December 9, 2014

Algebra 2
What statements? 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 ...
December 9, 2014

Algebra 2
Still missing data: means, SD?
December 9, 2014

Algebra 2
Missing data.
December 9, 2014

Statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. A .72^4 = ? Either-or probabilities are found by adding the individual probabilities. B. This is saying P of either none using, ...
December 9, 2014

Math
Unmix the number, e.g., 2 1/2 - 1 1/2 = 5/2 -3/2 = 2/2 = 1
December 9, 2014

Statistics
Selecting the Ace leaves 51 cards in the deck. P (K) = 4/51
December 9, 2014

math
Unfortunately, I don't know the relationship between rs and ps, whatever they are.
December 9, 2014

Basic Statistics
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 I'll let you do the ...
December 9, 2014

statistics
Data missing.
December 9, 2014

Math
3 3/4 = 15/4 If each 1/4 = 20 miles, then 15 * 20 = ? miles
December 8, 2014

Math
60/3 = x/27 Multiply both sides by 27, then divide by 3.
December 8, 2014

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. What * (times) 12 is close to 57? Divide 57 by 12 = ? If you need a whole number, it is 5.
December 8, 2014

Science
https://www.google.com/search?client=safari&rls=en&q=names+of+the+periods+on+a+Periodic+Table&ie=UTF-8&oe=UTF-8&gws_rd=ssl
December 8, 2014

Math
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.
December 8, 2014

Probability
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. a1. P = 6/10 * 5/9 = ? a2. Either-or probabilities are found by adding the individual probabilities. answer to a1 + (4/10*3/9) = ?
December 8, 2014

problem solving
Data missing.
December 8, 2014

statistics
(20,890 - 456)/20,890 = accuracy rate 456/20,890 * 100 = % misfiled
December 7, 2014

Psychology Questions
Agree on both.
December 7, 2014

Psychology
Has he ever gotten an A without eating popcorn? If so, then popcorn is not a necessary condition.
December 7, 2014

Algebra 1
Cannot graph on this post.
December 7, 2014

Math
https://www.google.com/search?client=safari&rls=en&q=mean+absolute+deviation&ie=UTF-8&oe=UTF-8&gws_rd=ssl
December 7, 2014

Math
Since it is already four decimal places, there is no need for rounding. However, 5/6 = .8333333333 = .8333
December 7, 2014

Psychology
1. However, MD also leads to IM. 2. See later post 3. Agree
December 7, 2014

Biology
Missing data.
December 6, 2014

english 9 1
Director Ted Kline's new movie, which didn't feature any stars, was finally released last May. You problem was not with pronouns, but possessives and capitalization.
December 3, 2014

math
"About 100" puts Dan at 262, which is close, but not exact. 120 puts Dan at 282, which is more than enough, but still "about 275." Both round to 300.
December 3, 2014

Algebra 1
You cannot copy and paste here.
December 3, 2014

Algebra 1
You cannot copy and paste here.
December 3, 2014

MATH
Sounds good.
December 3, 2014

math(5th grade)
6 * 4 = 24 quarters 24 - 7 quarters = 17 quarters 17/4 = 4 1/4 sandwiches Each gets 2 sandwiches, but they will have to cut the last quarter in half.
December 2, 2014

Computers
Have called Apple to ask this? 1-800-MY-APPLE or 1(800) 275-2273 You will have to give more details, like what device are you trying to access it from, so you use iCloud to have information on both devices. Good luck.
December 2, 2014

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 212 + 212*2 + 212*4 + 212*8 + 212*16 = ? 212 + 424 + 848 + 1696 + 3392 = ?
December 1, 2014

sci
Since this is not my area of expertise, I searched Google under the key words "predict hurricanes" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=predict+hurricanes&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
December 1, 2014

genetics
The sex ratio would still be the same, 50% of each. However, if you are looking for those who would survive, use a Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl With x standing for the recessive lethal gene, ...
December 1, 2014

Math
3 quarts = 3/4 gallon 2/.75 = x/3 To solve for x, multiply both sides by 3, then divide by .75.
December 1, 2014

Math
30 * 1.5 = 45 45 * .5 = 22.5 Do the same with the other side.
December 1, 2014

Math
Looking it up on Google, the length of an NFL football field, not including the goal area, = 100 yards = 300 feet. Including the goal area = 120 yards = 360 feet Width = 53.33 yards = 160 feet 90/(300 or 360) = x/160 Multiply both sides by 160, then divide by 300 or 360, ...
December 1, 2014

Stats
What is your question? Just looking at the data, assuming that the values are in ounces, the sample mean will be significantly greater than the 4 oz.
December 1, 2014

Algebra 1
Agree.
December 1, 2014

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.
December 1, 2014

science
Since this is not my area of expertise, I searched Google under the key words "when do huricanes happen?" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=when+do+huricanes+happen%3F&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
December 1, 2014

algebra 2
You need to look for factors of -40 that will add to -18. Can you do that?
December 1, 2014

art
What piece of art?
December 1, 2014

Genetics
Since this is not my area of expertise, I searched Google under the key words "Why is DNA replication termed semi conservative?" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Why+is+DNA+replication+termed+semi+conservative%3F&ie=...
December 1, 2014

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