Thursday

March 5, 2015

March 5, 2015

Total # Posts: 19,372

**Statistics/Probability**

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 scores. Multiply by 400.
*July 20, 2014*

**algebra 2**

x^2 - 7x + 6 = 0 (x-1)(x-6) = 0 x = 1 x = 6
*July 20, 2014*

**statistics (?)**

Lacking data.
*July 19, 2014*

**science**

Per unit volume, it does.
*July 19, 2014*

**statistics (?)**

What conclusions?
*July 19, 2014*

**Algebra**

Calculate the mean for each, then get the total of the differences between the mean and the individual scores. Which sum is smallest?
*July 19, 2014*

**Math 221**

Cowling's Rule d=D(a+1)/24 d = 187 D = 500 Solve for a.
*July 17, 2014*

**Math**

Metric measures translate easel to decimals, e.g., 1.2 cm.
*July 17, 2014*

**Statistics/Probability**

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.
*July 17, 2014*

**Science**

Assuming that you are talking about the biological fitness of a species, I would agree.
*July 15, 2014*

**science**

A liquid solution is a homogeneous mixture of two or more substances whose main constituents are of liquid form. Liquid solutions may have very different properties depending on the type of liquids in the solutions. Liquid solutions are widely used in the industrial sector in ...
*July 14, 2014*

**algebra**

miles/gallons = x
*July 14, 2014*

**Maths lit,economics and business studies**

That depends on your interests and abilities. Inquire with a school counselor. They have interest tests available that might clarify your interests.
*July 14, 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. You will use probability between score and mean plus 50%.
*July 13, 2014*

**Math (?)**

Can't make sense of what you have posted.
*July 13, 2014*

**Math 221**

Divide numerator and denominator by 5. 130/105 = 26/21
*July 13, 2014*

**math**

Take the median cost of both to estimate. (42.5/30 * $3.29) * 7 = ?
*July 13, 2014*

**math (?)**

What is your question?
*July 13, 2014*

**Dietetics needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*July 12, 2014*

**MATH**

It would help if you proofread your questions before you posted them. Lacking Data. Please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you.
*July 12, 2014*

**math**

Z = (score-mean)/SEm = (2.9 - 3)/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.
*July 12, 2014*

**English**

4, since Snow White and Pinocchio are two different animations.
*July 11, 2014*

**psy 315 (?)**

It would help if you proofread your questions before you posted them. Confusion between commas and periods.
*July 11, 2014*

**psy 315**

What is your hypothesis/question?
*July 11, 2014*

**English**

Just because you "take away 300 points from one team" does not necessarily mean that those points will given to another team, so they do not have the same meaning.
*July 11, 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 between the two Z scores.
*July 10, 2014*

**statistics**

From your data, the mean for each widget would be 2.6 and the mean for the box would be 12*2.6 = ?
*July 10, 2014*

**Math**

1. Depending on the values of the numbers, it could be 5 or 6. Try 100^2 and 999^2. Are you searching for a maximum or minimum? 2. I don't know either. 3. Agree.
*July 8, 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 proportions/probabilities related to the Z scores. a. in smaller portion b. Between Z scores and mean
*July 8, 2014*

**Math/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.
*July 7, 2014*

**business stats (?)**

"probability that…" what ?
*July 7, 2014*

**math**

.05x = 15 Solve for x.
*July 7, 2014*

**statistics**

15/200 = ?
*July 7, 2014*

**Math**

Factor each dimension. 450 = 5 * 2 * 5 * 3 * 3 330 = 5 * 2 * 3 * 11 What are the common factors?
*July 6, 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. Which experiment would want to do?
*July 6, 2014*

**psychology**

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.
*July 6, 2014*

**Psychology**

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.
*July 6, 2014*

**statistics**

You are looking for a distribution of means rather than raw scores. Z = (score-mean)/SEm SEm = SD/√n Now go to your Z table.
*July 6, 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 (±.415) related to the Z scores. Insert Z values into the above equation.
*July 4, 2014*

**Math (?)**

What is the finance charge?
*July 4, 2014*

**Biology**

Use Key Words to Google for information.
*July 4, 2014*

**Biology**

Since this is not my area of expertise, I searched Google under the key words "components of cell nucleus" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=components+of+cell+nucleus&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
*July 4, 2014*

**health care**

https://www.google.com/search?client=safari&rls=en&q=How+will+longitudinal,+multidisciplinary+electronic+patient+records+affect+the+quality+of+dental+care&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*July 3, 2014*

**probability (?)**

It would help if you proofread your questions before you posted them. Data Lacking.
*July 2, 2014*

**math**

We cannot draw on these posts. Can you try a circle, rectangle and square?
*July 2, 2014*

**math (?)**

What properties?
*July 2, 2014*

**Science**

Producers are organisms that make their own food through photosynthesis or other reactions and are a food source for other organisms (e.x. plants, extremophile benthos communities). Consumers are organisms that ingest other organisms, like plants, in order to gain energy (e.x...
*July 2, 2014*

**Statistics (?)**

Data lacking.
*June 30, 2014*

**Statistics**

(50.5-50.25)/(52-50) = ?
*June 30, 2014*

**Statistics (?)**

Data Lacking.
*June 30, 2014*

**Statistics**

What is a "nonstandard normal distribution"? For Z scores: Mean = 0 SD = 1
*June 30, 2014*

**Math-Circles (?)**

An equation requires an equal sign.
*June 29, 2014*

**statistics (?)**

Sample data missing. For the value needed, find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability of the outliers on each of both ends (.05, .025, .005) and the Z score. 90% = mean &...
*June 29, 2014*

**science**

What is your introduction, which needs to include the purpose of the project? In relation to your purpose, what did the data you found lead you to conclude?
*June 28, 2014*

**There is one more**

Welcome!
*June 27, 2014*

**There is one more**

3x = x + 700 2x = 700 Take it from here.
*June 27, 2014*

**probabilty**

Cannot draw a tree here. However, you only have 3 colors, so the tree should start with the total (50), with three branches of 24, 17 and 9.
*June 27, 2014*

**statistics (?)**

Necessary data missing. Mean? SD? Number in sample? 95% = mean ± 1.96 SEm SEm = SD/√n
*June 27, 2014*

**math**

10/30 = ?
*June 26, 2014*

**psychology**

Agree with vision.
*June 26, 2014*

**JEMS**

793 OR 571
*June 26, 2014*

**math**

SD = √variance 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 your Z scores.
*June 26, 2014*

**math**

From your data, it could be: 579,000,000 597,… 975,… etc.
*June 26, 2014*

**math**

From your data, it could also be: 426,888,888,888 624,888,888,888 462,… 642,… 264,...
*June 26, 2014*

**science (?)**

No figure. Cannot copy and paste here.
*June 24, 2014*

**science**

How can we help you? We cannot build inclined plane here.
*June 24, 2014*

**Psychology**

Your definition is right, but the choice is wrong. B is retroactive interference, the second task interfering with the first. A is the answer.
*June 23, 2014*

**Math**

8 - 5 = 3 3?,???,???,???
*June 23, 2014*

**science**

Since this is not my area of expertise, I searched Google under the key words "calculate field of view" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=calculate+field+of+view&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can ...
*June 22, 2014*

**algebra**

Equation is wrong. Total earned/hourly earned = total hours/one hour x/$45 = 55/1
*June 22, 2014*

**Statistics**

Don't know what you call "five-step model," but here is a method. 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. ...
*June 22, 2014*

**Statistics**

Don't know what you are referring to with "the five steps," but here is a method. 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/...
*June 22, 2014*

**Math**

If he goes 3 times per week = 4.3 * 3 = about 13 times per month. $5 * 13 = $65 What does that tell you? There are 52 weeks in a year. 52 * 3 = 156 Divide by 365.
*June 22, 2014*

**psychology**

Try looking up each of the answers on Google.
*June 21, 2014*

**psychology**

Agree with C.
*June 21, 2014*

**math (?)**

What site? Lacking data.
*June 21, 2014*

**statistics**

The sample is too small for a confidence interval to be really meaningful. 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 ...
*June 21, 2014*

**Math**

9500
*June 21, 2014*

**stats**

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 "...
*June 20, 2014*

**Science**

Molecules, atoms, protons, neutrons and electrons?
*June 19, 2014*

**epi (?)**

What diagram?
*June 19, 2014*

**math**

All correct.
*June 19, 2014*

**math**

Most of Steve's answers do not fit the requirement of "The digit in my hundreths place is one less than the digit in my thousansths place."
*June 18, 2014*

**math**

.189 .178 .156 .145 .134 .123 Which do you want to use?
*June 18, 2014*

**science**

x * 15 * 6 = 216 Solve for x.
*June 18, 2014*

**math (?)**

Gets what?
*June 18, 2014*

**math (?)**

What is your question?
*June 18, 2014*

**math**

(5 * 24) + 8 = ?
*June 18, 2014*

**ENGLISH 111**

What is your area of interest? Enjoyment of the date? Repeated dating? Leading to a permanent relationship? Whichever: Online dating is (not) as satisfactory as traditional dating.
*June 18, 2014*

**finite math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
*June 17, 2014*

**finite math**

.445
*June 17, 2014*

**math**

No figure shown. You cannot copy and paste here.
*June 17, 2014*

**math**

Use process indicated in previous posts.
*June 17, 2014*

**math**

Transpose two values on the left-hand side of the equation. -x = 48675 - 57865 - 23129 = ? Then multiply both sides by -1.
*June 17, 2014*

**math**

Transpose two values on the left-hand side of the equation. x = 2240 - 5277 + 9384 = ?
*June 17, 2014*

**Statistics**

A. .9498 E. (454+741+1058)/(478+833+1644) = ?
*June 16, 2014*

**math**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Also, it would help if you proofread your questions before you posted them. How many of each color? How specifically do you want it rounded?
*June 16, 2014*

**algebra**

Add the two equations to cancel out y. 5x = -15 You should be able to work it from there.
*June 16, 2014*

**Statistics**

What is the standard deviation? T = 50 + 10SD
*June 16, 2014*

**Algebra**

Add the two equations. -x = 2 -4 - y = -1 y = ?
*June 16, 2014*

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