Tuesday

July 7, 2015

July 7, 2015

Total # Posts: 20,008

**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*

**biology**

Since the body is about 2/3 water, I would choose the latter.
*December 1, 2014*

**algebra**

Cannot draw a diagram on this post.
*November 30, 2014*

**MATH**

99% = mean ± 2.575 SEm SEm = SD/√n Find the mean first = sum of scores/number of scores (n) 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...
*November 30, 2014*

**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. a)
*November 30, 2014*

**STATS MATH 1**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.025) and its Z score. 95% = mean ± 1.96 SEm SEm = SD/√n
*November 30, 2014*

**Math 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...
*November 30, 2014*

**Math Stats**

I wish you would use the same name all the time. Check under LAGO.
*November 30, 2014*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1/25 = 5^-2 When multiplying a particular number, you add the exponents.
*November 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 previous post.
*November 30, 2014*

**statistics**

a) 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. b) Z = (score-mean)/SEm SEm = SD/√n Use same table.
*November 30, 2014*

**math**

11 factorial = 11! = 11 * 10 * 9 … * 3 * 2 * 1 Same process for other factorials.
*November 30, 2014*

**math**

27 * 33 * .4 = ?
*November 30, 2014*

**statistics (GWARD4)**

First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked. Z = (score-mean)/SD Find table in the back of your statistics text labeled...
*November 30, 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 for ± Z score. Multiply by 100.
*November 30, 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 of the Z score. Multiply by 100.
*November 30, 2014*

**Algebra**

If I knew what a "sis" was, I might be able to answer your question. Probability of tails = .5 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. What is the probability...
*November 30, 2014*

**Statistics**

a. .20 b. Either-or probabilities are found by adding the individual probabilities. c. 1 - .3 - .1 - .15 - .2 = ?
*November 29, 2014*

**Math**

It must be some multiple of 5 between 20 and 30. What could that be?
*November 29, 2014*

**ANATOMY**

You could read the text and make your own power point notes, so you could sell them to students taking the course the next semester.
*November 29, 2014*

**Math 032**

(7*12 + 9)/22.3 = ?
*November 29, 2014*

**math**

What number divides evenly into both 84 and 96?
*November 29, 2014*

**Math**

With a ratio of 5:4, the total needs to be some multiple of 9. Which is not a multiple of 9?
*November 29, 2014*

**Math**

5x + 4x = 27, 54, 60, 72 Solve for x for each number. Which every does not solve as a whole number is the answer.
*November 29, 2014*

**SIXTH GRADE MATH**

For a ratio of 2:3, the total must be some multiple of 5. 2x + 3x = 5x
*November 29, 2014*

**SIXTH GRADE MATH**

2x + 3x = 7, 14, 25, 26 With which one is x a whole number?
*November 29, 2014*

**Plz help with 8th grade math**

4/5 = x/56 To find x, multiply both sides by 56, then divide by 5.
*November 28, 2014*

**biology**

pseudopods
*November 28, 2014*

**8th grade math question..**

2.5 dozen = 28 .25/28 = x/90 To find x, multiply both sides by 90 and then divide by 28.
*November 27, 2014*

**Biology**

Use a Punnett square. Dad is bb and mom is BB. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*November 26, 2014*

**science**

Since this is not my area of expertise, I searched Google under the key words "genetic mutations phenotype" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=genetic+mutations+phenotype&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
*November 25, 2014*

**Math**

80 + 6x = 145 - 7x Solve for x.
*November 25, 2014*

**SCIENCE BUT I REALLY NEED HELP**

Chromosomes mate, reproduce
*November 25, 2014*

**Math Help! ASAP!**

It needs to have the numbers 1 and 3.
*November 25, 2014*

**math**

Multiply the numbers and add the exponents, then simplify.
*November 25, 2014*

**statistics**

Ho: mean = 2 Ha: mean < 2 Once you get UTeM data, insert. 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 ...
*November 25, 2014*

**Neuroscience**

3. In future posts, indicate the answers you think are correct.
*November 25, 2014*

**Neuroscience**

3.
*November 25, 2014*

**Neuroscience**

1.
*November 25, 2014*

**Biology (?)**

What three organs?
*November 25, 2014*

**Astronomy**

"Twinkle, twinkle little star," but that is unlikely with planets. Also planets rotate in contrast to stars.
*November 24, 2014*

**Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*November 24, 2014*

**statistics**

You cannot copy and paste here.
*November 24, 2014*

**Health And Physical Ed**

I would say: false Peristalsis kidneys fiber
*November 23, 2014*

**Science PLEASE HELP**

Since this is not my area of expertise, I searched Google under the key words "Exothermic Endothermic reactions" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Exothermic+Endothermic+reactions&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
*November 23, 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.
*November 23, 2014*

**Stats**

What is your question? (175-14)/175 = proportion who do not think that dorm food is bad, which is not necessarily the same as saying it is good.
*November 23, 2014*

**statistics**

a) 120 * 60 = ? b) Standard Error of the mean (SEm) = SD√n
*November 23, 2014*

**Statistics**

I thought I answered this previously. a-c. 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 of each Z score. Multiply by 100. d, e. Find table in the back of...
*November 23, 2014*

**statistics**

Is anyone manipulating a variable? a. All students buying textbooks b. Textbooks purchased c. 100 students
*November 22, 2014*

**science**

Good for you!
*November 22, 2014*

**Stats**

It is a Type I error.
*November 22, 2014*

**statistics**

Z = (score-mean)/SD If the camera is set at 10% above speed limit = 88 km/h. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability in the larger portion related to the Z score. ...
*November 22, 2014*

**Science**

What are you measuring?
*November 22, 2014*

**Science**

± .05 sounds plausible for .1 gram, but I don't know about the accuracy of an electronic balance.
*November 22, 2014*

**statistics**

The measure of variability for distribution of means = SEm = SD/√n Note that as n increases, SEm decreases. Larger samples (n) are less likely to be biased one way or the other.
*November 22, 2014*

**Chemistry (?) needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*November 22, 2014*

**Statistics (Janelle)**

First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked. Second, we do not have the "data in question 25."
*November 21, 2014*

**Loneliness**

I compare direct interpersonal relationship and Facebook to the analogy of sugar vs. saccharine, respectively. Both can give us an immediate sweet taste, but only sugar leads to nourishment. With direct personal interaction, not only do you have verbal interaction, but also a ...
*November 21, 2014*

**science**

sensory neurons,interneurons in brain, motor neurons You have to sense something before you can respond to it.
*November 21, 2014*

**Living a Healthy Life**

C, hemoglobin is the oxygen-carrying portion of red blood cells.
*November 21, 2014*

**Living a Healthy Life**

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.
*November 21, 2014*