Friday

May 29, 2015

May 29, 2015

Total # Posts: 19,898

**Statistics**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.05 each direction) and its Z score = 1.645. 90% = mean ± 1.645 SEm SEm = SD/√n
*January 3, 2015*

**Statistics**

See process in your later post.
*January 3, 2015*

**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.
*January 3, 2015*

**Statistics**

See process in later post. Of course, you can shorten the process if you remember that the mean, mode and median are the same value in a normal distribution.
*January 3, 2015*

**Science**

It has to get out of the car first. What does that tell you?
*January 2, 2015*

**language arts**

I would pick 2.
*January 2, 2015*

**Biology**

Since this is not my area of expertise, I searched Google under the key words "Photosynthesis and cellular respiration" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Photosynthesis+and+cellular+respiration&ie=UTF-8&oe=UTF-8&...
*January 1, 2015*

**biology**

Parents are AO and BO. Use a Punnettt square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*December 31, 2014*

**biology**

Since this is not my area of expertise, I searched Google under the key words "mitosis meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=mitosis+meiosis&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*December 30, 2014*

**Math/ Statistics**

I have no idea what your superscript means. For one-tailed: Ho: µ = 16 oz Ha: µ < 16 oz For two-tailed: Ho: µ = 16 oz Ha: µ ≠ 16 oz
*December 30, 2014*

**Math/ Statistics**

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 can also try: http://davidmlane.com/hyperstat/z_table.html
*December 30, 2014*

**science**

Depending on how you shave it, there is a possibility of genital cuts and bleeding. New stubble may cause irritation. No change in growth, but illusion of faster growth with stubble, because you are starting with zero background. For example, 1/4 inch growth with normal length...
*December 30, 2014*

**biology**

Since this is not my area of expertise, I searched Google under the key words "mitosis meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=mitosis+meiosis&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*December 29, 2014*

**math**

How can we describe a situation in your life?
*December 29, 2014*

**statistics**

This means that the difference between men and women was significant, P ≤ .05. There is a 5% probability that this difference is caused solely by chance (alpha error), but scientists tend to assume that chance is not acting in this case. Why wasn't there a ...
*December 29, 2014*

**Math**

If 2y = 8, then y = 4. Substitute that value into the second equation to find x.
*December 28, 2014*

**6th grade math**

It would help if you proofread your questions before you posted them. Do you mean "Sandra ate 4 cups"? Four cups = 20/5 How many times does 4/5 go into 20/5?
*December 26, 2014*

**English**

I searched Google under the key word "chagrin" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=chagrin&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information you desire more quickly, if you use appropriate key ...
*December 24, 2014*

**economics,tourism,business studies and maths lit**

This is a question that is better answered by your high school/college counselor. S/he can administer interest tests and ask specific questions that will allow more specific and accurate answers to your question.
*December 24, 2014*

**6th grade Math**

What are your choices?
*December 22, 2014*

**Grade 9th Chemistry needs help**

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

**Spanish II**

Compro is first person, not third. You are looking for a pronoun for "libro."
*December 22, 2014*

**statistics**

You cannot copy and paste here.
*December 21, 2014*

**Maths lite, business, geography, life science**

It would be better to ask you high school/college counselor. because s/he could ask questions and/or give interest tests to answer your question more effectively.
*December 20, 2014*

**Intermediate Algebra**

I assume you mean dive. 120 = 16t^2 Solve for t.
*December 19, 2014*

**statistics**

Ho: mean = 6' 9" Ha: mean ≥ 6' 9"
*December 19, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "respiration vs fermentation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=respiration+vs+fermentation&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
*December 18, 2014*

**Science**

No, the daughter cells will still be the diploid number rather than the haploid number.
*December 18, 2014*

**Math help**

4L = s 7L + 3.5s = 380 Substitute 4L for s in the second equation and solve for L. Then solve for s. From the values, make your choice of the alternatives.
*December 18, 2014*

**biology**

Not sure exactly what you are asking. Gradual mutation? Interbreeding?
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

What are your choices? You cannot copy and paste here.
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

What are your choices?
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Choices?
*December 17, 2014*

**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*