Sunday
April 20, 2014

Search: Percentage

Number of results: 3,444

Economics
What happens to the percentage of an income that is taxed when income rises and the tax is a proportional one? A. The percentage of tax falls. B. The percentage of tax rises. C. The percentage rises and then falls. D. The percentage of tax stays the same. I'm guessing the tax ...
Monday, June 4, 2012 at 9:28pm by Anonymous

Algebra1
Please check these for me. 11. Find: 32 out of 38 in percentage 84.2% 12. Find: 41 out of 51 in percentage 80.3% 13. Find: 69 out of 70 in percentage 98.5% 14. Find: 32 out of 110 in percentage 29% 15. Find: 41 out of 40 in percentage 102.5% Thank you
Thursday, June 10, 2010 at 12:36pm by y912f

statistics
many states are considering steps that would help them collect sales taxes on items purchased through the internet. how many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the internet? assume that we want to be 99 ...
Saturday, May 8, 2010 at 9:54am by camera

percentages
Hi I want to know what one amount is a percentage of another example what is 0.74 and a percentage of 4.91 thanks What is the percentage of .74 of 4.01? percent= .74/4.02 * 100 Thank You !!!!!!
Monday, October 2, 2006 at 3:36am by ron

Statistics
A Gallup Poll reported the percentage of Americans who approve of the President's job performance was 47% with a margin of error of 2 percentage points. What is a 95% confidence interval for the population percentage? A. 41% to 53% B. 45% to 49% C. 46% to 48% D. 43% to 51%
Friday, May 18, 2012 at 5:00pm by Mary

Math
You searched for: Many states are carefully considering steps that would help them collect sales taxes on items purchased through the internet. how many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the internet/ Assume ...
Tuesday, July 10, 2012 at 12:29am by Katia Mastrotti

math-calculus
The following equation shows the approximate relationship between the percentage y of total personal consumption spent on food and the corresponding percentage x spent on education. y = 38/x^0.38 percentage points; (6.5 ≤ x ≤ 17.5). According to the model, spending...
Thursday, December 20, 2012 at 7:10pm by Trisha

auguta tech
a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than 120= 0.34+0.135+0.0235+0.015+0.84 c. Percentage of scores less than 140 d. Percentage of scores less than 80 e. Relative frequency of scores less than 60 f. Percentage of scores greater ...
Saturday, April 17, 2010 at 10:23pm by cynthia

excel graphing
In column F (cell ranges F5:F16), use an appropriate formula to calculate the percentage of the grand total for each type of office supply. Format the results in the Percentage style. If necessary, decrease the decimal places to round the results to the nearest whole percent. ...
Tuesday, May 31, 2011 at 6:20pm by kayla

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a.Percentage of scores less than 100b.Relative frequency of scores ...
Tuesday, June 8, 2010 at 12:50pm by Kim

math
What percentage? Change the percentage to a decimal and multiply it by $38,676.
Saturday, April 24, 2010 at 4:08am by PsyDAG

maths
Oh, my. Your question asks which percentage graduate from college. Which percentage equals 1/2?
Thursday, August 15, 2013 at 6:20pm by Ms. Sue

Chermistry
Percentage assay is the ratio of purities to impurities expressed as percentage
Tuesday, November 12, 2013 at 4:14am by Baffour Adofo Prince

percentage
you have 50 students one day and 70 the next what is the percentage increase
Thursday, January 13, 2011 at 4:34pm by Leon

PHYSICS HEELLPPP!!
Hi I also have another question what would be the percentage of my answer of 9/8m/s^2? How do I calculate that to find my percentage?
Monday, February 20, 2012 at 3:26pm by Jared

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100 b.Relative frequency of scores less than 120 c.Percentage of scores less ...
Sunday, November 21, 2010 at 4:59pm by TAW

Math-statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantiles: a.percentage of scores less than 100 b. relative frequency of scores less than 120 c. percentage of scores less ...
Friday, March 1, 2013 at 6:31pm by Jane Brown

Math
A clothing retailer purchased a line of fall leather coats which were priced to sell at $600 each. This price reflected a markup of 45% on the selling price. At the end of the season the retailer had three coats left, which were marked down to 25% and sold. What was the ...
Thursday, December 12, 2013 at 4:30pm by Anonymous

math
about what percentage of the population believe saying F to ber true? = what percentage of 250148571.0 = 136,800,000?
Monday, October 29, 2012 at 6:18pm by Anonymous

math work
we set a percentage. 24000/17800. We can divide both numbers by 100 to get 240/178. That is your percentage.
Saturday, November 17, 2012 at 11:16pm by scientest

chemistry
Percentage difference is the same as percentage error?
Friday, April 4, 2008 at 8:14pm by Tim's Titration Lab

chemistry
There is more than one answer. The answer from Dr Bob is correct but you could also have the answer in terms of atoms. So the percentage of hydrogen atoms in toluene is (8/15) *100 The problem is that the question does not state what percentage it is looking for. It would be ...
Sunday, September 6, 2009 at 10:09pm by Dr Russ

Statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b. Relative frequency of ...
Wednesday, March 31, 2010 at 2:39pm by Ab

statistics
Assume that a set of test scores is normally distrbuted with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first.... a. Percentage of scores less than 100. b. Relative frequency of ...
Saturday, May 8, 2010 at 4:19pm by Renee

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b. Relative frequency of ...
Tuesday, July 13, 2010 at 1:44pm by Ab

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b. Relative frequency of ...
Saturday, August 20, 2011 at 7:28pm by ann

Statistics... I need help
. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: (Hint: Make a drawing and label first) a. Percentage of scores less than 100 b. Relative frequency of scores ...
Monday, April 19, 2010 at 2:11am by Adam

math percentage diff
a value of 2.40 increased to 4.48 in 5 years. what is the change in percentage each year? this one was difficult to figure out..
Wednesday, March 24, 2010 at 11:49pm by danny

auguta tech
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than 120= 0.34+0.135+0....
Saturday, April 17, 2010 at 9:38pm by cynthia

biology
A man with normal color vision marries a woman who is colorblind. What percentage of their sons would be colorblind, what percentage of their daughters would be colorblind, what percentage of their daughters would be carriers of the colorblind gene?
Thursday, March 31, 2011 at 1:37pm by Andrew

Math
Why would the percentage be two or three times greater than in the earlier decades? Besides, you need to estimate the number of immigrants, not the percentage of increase.
Tuesday, March 29, 2011 at 4:13pm by Ms. Sue

Math
To get that percentage, heres what you do. On a calculator go 10/17, and you'll get 0.5882352941176470...., then you just times that by 100, and you'll get your percentage, try this out now, and see if it works.
Tuesday, October 27, 2009 at 6:19pm by Anonymous

Economic
Relative to people at the turn of the nineteenth century, people today spend A.a larger percentage of their income on clothing B. a smaller percentage of their income on clothing C. about the same percentage of their income on clothing D. about four times as much on clothing i...
Thursday, March 4, 2010 at 9:02pm by pam

Marketing Math - markup/mark down
A clothing retailer purchased a line of fall leather coats which were priced to sell at $600 each. This price reflected a markup of 45% on the selling price. At the end of the season the retailer had three coats left, which were marked down 25% and sold. What was the retailer'...
Sunday, May 5, 2013 at 8:17pm by anonymous

arithmetic
when you are working with a percentage you move the decimal two spots to the left and then multiply the purchase by the percentage of tax in decimals. $48x0.065= $3.15 I hope this helps
Tuesday, May 11, 2010 at 6:26pm by selina

math help me plss
1c 2a 3(you need a percentage to start with) Converting percentage to decimal is easy. First get rid of the percentage sign by crossing it off. Then move the decimal 2 places forward. Here I did an example following these steps below. 27% 27 2.7 0.27 Just that easy! Really it'...
Thursday, January 17, 2013 at 9:40pm by MathMat

HEalth
how much carboydrates we need in percentage in a day how much Fats we need in a day in percentage Why do we need fat how much percentage of protein we need what is complex carbohydreates
Thursday, October 20, 2011 at 7:49pm by ZUICK

Chemistry+Percentage
Calculate the percentage of water in each of the following hydrates. Aluminum bromide hexahydrate I just need help setting this up. I can work it from there Would it be: AlBr * 6H2O Did I write it right?
Wednesday, January 14, 2009 at 5:50pm by Chopsticks

Chemistry
1.) A 3.000gram sample of a hydrate compound containing Co, C2O4, and H2O was combusted to give 1.316g of Co3O4. What is the percentage of Cobalt in the oxide? 3.) 2.000 grams of a sample containing Co, C2O4, and H2O showed there to be 0.9621g of oxalate in the sample. Was is...
Sunday, March 3, 2013 at 10:01pm by Robert

statistics
Using teh 68-95-99.7rule. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. percentage of scores less than 100 b. relative frequency of scores less than 120 c...
Monday, May 10, 2010 at 11:12pm by Christine

math
1.3:75 to a percentage 2.1:30 to a percentage 3.4/8 to a ratio 4.20/100 to a ratio 5.solve for x: 1.7:8 ::21:x 2.6:10::x:40
Wednesday, September 19, 2012 at 4:43pm by cleondra

math
I need to find what 0.10 is a percentage of 0.72. and what 0.10 is a percentage of 0.62. Please help asap!!!!!
Tuesday, June 29, 2010 at 11:54am by shaista

physics
Percentage error in displacement time and mass are 2%, 1% and 3%. Find percentage error in the measurement of force.
Sunday, July 15, 2012 at 11:15am by niharika

Science Fair
If I were to weigh the hamburgers, compare that to the amount of fat shown on the nutrition guide, then find a percentage of it, would that work? Then, I would add the catsup, mayo, and mustard, weigh those, find that percentage and add them to the hamburger. Then I could ...
Friday, November 9, 2007 at 4:04pm by Truffles

statistics
You wish to find the coefficient of nondetermination, which is the percentage of the variation in y that cannot be explained by the corresponding variation in x. Formula: 1 - r^2 I'll let you take it from here. Convert the decimal to a percentage for your answer.
Sunday, August 22, 2010 at 12:04am by MathGuru

percentage
Evelyn has a ribbon 420cm long.She uses 216cm to decorate a present.what percentage of the ribbon is left?Express your answer correct to 1 decimal place
Saturday, February 11, 2012 at 9:09pm by Da S

fraction&percentage
express each fraction as a percentage and round off to 2 decimal places. a)79/148 b)58/379 c)15/52 d)43/95
Monday, February 13, 2012 at 12:01am by kimi

math
Well, I can not see your circle graph. However if the circle shows a certain percentage of Americans who ride for recreation, then divide that percentage by 100 and multiply the result by 5.7 million.
Friday, March 18, 2011 at 4:28am by Damon

statistic
Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100 b. Relative frequency of scores less than 120 ...
Wednesday, August 24, 2011 at 3:17pm by Sonia

statics
Jo, If you already have 55% and 44 as half the answer all you need is to divide the two to get the whole answer. 44/.55 =? This will give you the number of questions on the test. Practice percentage concepts. Once you get them down this type of question won't seem like a ...
Monday, August 8, 2011 at 11:40pm by CreativeTeacher

math
first one is good in the second, you want the percentage of decrease so .05/.50 = .1 = 10% you just converted the $.05 to a percentage, there is no connection. (that's like converting apples to oranges)
Saturday, February 21, 2009 at 11:09am by Reiny

statistics
Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b...
Monday, August 16, 2010 at 12:50pm by sweet

stats
Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b...
Monday, September 20, 2010 at 8:38pm by Jenn

statistics
APY(annual percentage yield) Apr(annual percentage rate)
Tuesday, February 3, 2009 at 9:04am by gen

accouting
Nancy Company has budgeted sales of $300,000 with the following budgeted costs: Direct materials $60,000 Direct manufacturing labor 40,000 Factory overhead Variable 30,000 Fixed 50,000 Selling and administrative expenses Variable 20,000 Fixed 30,000 Question 1: Compute the ...
Saturday, April 2, 2011 at 11:07pm by eric

statistics
Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 = ...
Sunday, July 25, 2010 at 5:31pm by Trish

Math
Ahh, looks like neither one of us read the question carefully. P(t) given the percentage that will FAIL, which is 30.2% But it says, "what percentage ... is usable " so 100 - 30.2 or 69.8%
Monday, April 7, 2014 at 7:50pm by Reiny

math
This is like a pizza that's cut into six equal pieces. To find the percentage that's 1/6, divide the numerator by the denominator. Then move the decimal point two places to the right to get the percentage. If you post your answer, we'll be glad to check it.
Tuesday, January 15, 2008 at 5:23pm by Ms. Sue

statics
Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first…Drawings need not be included in response...
Monday, May 3, 2010 at 10:45pm by Anonymous

CHEMISTRY
sorry, it would probably hep you to know that the objective is to calculate the percentage of silver and barium in the nitrate salt mixture. i know how to find the percentage once i get the grams, but i have no idea how to get the grams from this point. thanks :]
Wednesday, January 30, 2008 at 6:05pm by Jake

Math
How do you convert fractions to a percentage? give me an example and ill explain what is the percentage for 7/4? divide 7 by 4. 1.75 multiply by 100 175 7 is 175 percent of 4. so, 175% = 7/4?
Wednesday, November 29, 2006 at 6:24pm by Courtney

CHEM
A student used 10 mL water instead of 30 mL for extraction of salt from mixture. How may this change the percentage of NaCl extracted? My book says: % NaCl= (grams of NaCl / total grams of mixture) x 100 What I don't get is if it does change the percentage, why? It says the ...
Tuesday, September 4, 2012 at 4:42am by Daisy

Math
Alice usually has a 80% shooting percentage in basketball. On Monday she scored 16 baskets in 22 attempts. If she scores her usual percentage on Tuesday by scoring 20 baskets, how many shots did she attempt?
Thursday, October 17, 2013 at 2:04pm by Anonymous

!chemistry !experiment!
Design an experiment which is not a tritation, you could use to calculate the percentage of water of crystalallization in NA2CO3.xH20. Need apparatus, detailed method including precutions and assumptions, how the results are recorded and how the percentage is calculated
Tuesday, June 1, 2010 at 5:13am by Cameron

algebra (excel)
It is not clear which value you are using as the basis for your percentage. You will also need to deal with when the percentage is negative. try this (from my row 25!) =IF(OR(ABS((A25-B25)*100/B25)>10,ABS((B25-A25)*100/A25)>10),1,0) not neat but it does seem to work. It ...
Wednesday, September 16, 2009 at 9:43am by Dr Russ

Accounting
Yes..B is the correct answer as you need to divide the percentage by 2 to arrive at the correct answer. If you had take the full percentage you have arrived at C, which is incorrect.
Monday, March 19, 2012 at 2:17pm by Carthel

Statistics
You want to estimate the grades of st2%atistics students who gets grades of C or better. How many students should you survey to be 95% confident that the sample percentage is off by no more than 2 percentage points.
Tuesday, December 7, 2010 at 9:49am by Marnetta

statistics
You want to estimate the grades of st2%atistics students who gets grades of C or better. How many students should you survey to be 95% confident that the sample percentage is off by no more than 2 percentage points.
Tuesday, July 26, 2011 at 2:16pm by ali

percentage
Choon yong was asked to paint a wall of area 84 meter square.In one hour,he had painted 21meter square. a)what percentage of the wall was left unpainted?
Saturday, February 11, 2012 at 9:05pm by Da S

statistics
Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. (0.1 point) Percentage of scores less...
Monday, May 10, 2010 at 11:59pm by Rose

application statistic
assume that a set of test score is normally distrubuted with a meanof 100 and a standard deviation of 20 find the quantities using the 68-95-99.7 rule to get: the percentage of scores less than 100: B) relative frequency of scores less than 120 c) percentage ofless than 140, D...
Monday, June 7, 2010 at 9:42am by Latoya

business statistics
The scores on a standardized exam are normally distributed with mean= 50 and variance=16. (a) what percentage of the scores exceed 58? (b) what percentage of the scores lie between 38 and 54? (c) what is the 84th percentile of the distribution?
Sunday, February 20, 2011 at 7:40pm by Julie

Math
Suppose that the function represents the percentage of inbound e-mail in the U.S. that is considered spam, where x is the number of years after 2002. Use this model to approximate the percentage of spam in the year 2006 to the nearest tenth of a percent. Please show work.. ...
Wednesday, December 10, 2008 at 10:35am by Anna

Biology
Island A has an area of 30 square kilometers. Island B has an area of 400 square kilometers. The islands are near each other. Which of the following statements is most likely to be true? A. Island A has grater biodiversity and a higher percentage of edge effect than Island B B...
Wednesday, July 29, 2009 at 11:47am by kathy

statistics
Given a distribution of scores with a mean of 26 and standard deviation of 6. assuming normality what percentage of the cases fall between 18 and 27, what percentage of the cases lie above score 18 and below 29
Friday, April 16, 2010 at 2:18am by Anshika Srivastava

percentage
Sharil is cycling from his house to Jeju Island,which are 15km apart.If Sharil has cycled a distance of 9.5km,what percentage of the total distance does he have left? pls round off ur answer to 1 decimal place
Sunday, February 12, 2012 at 11:47pm by Da S

marketing
she purchase a lamp for Rs. 900 and sell it for Rs. 1500, determine the following a)rupee markup, b)markup percentage on cost, c)markup percentage of selling price
Sunday, January 20, 2013 at 9:37am by rony

math,percentage
Ruzita bought 3kg of chicken.she used 0.75kg of the chicken to cook curry and another 0.13kg to stew w/ vegetables.what percentage of the chicken was not used?
Monday, February 13, 2012 at 12:07am by kimi

Math
Is this answer correct? Just double each number. The "frequency" establishes a percentage breakdown ( unless something else changes ) would stay the same no matter how many grades there are. With every grade doubling, the percentage breakdown stays the same.
Wednesday, July 29, 2009 at 8:27pm by B.B.

business
I believe it is the percentage rate which gets divided by 12 and applied to to the monthly principle, to obtain the monthly interest. It is not the same as the Annual Percentage Rate (APR), which is higher because of the monthly compouding effect.
Wednesday, January 2, 2008 at 8:20pm by drwls

Statistics
Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: five percentage points; confidence level 90% from a prior study, ^p is estimated by the decimal equivalent 56% n= (Round up to the nearest integer)
Tuesday, April 30, 2013 at 12:44am by Rob

Maths ...
I would do percentage to the tenths decimal place, as in 99.5 Of course, that truncation will result in an error. YOu could take the percentage to five places, that eliminates the error, but in a practical sense, it is silly. On the second comparison 1990 to 2050, it should be...
Saturday, June 20, 2009 at 4:19pm by bobpursley

Java
I need to write a Java program using an input file with the below data. I don’t even know where to begin. I have written others but this one has me totally confused. I know how to do it using math WL% = Wins / (Wins + Losses) I also wrote this to use but, can’t figure out how ...
Saturday, April 5, 2008 at 4:45pm by Jay

Calculus
The percentage of the moon's surface that is visible to a person standing on the Earth varies with the time since the moon was full. The moon passes through a full cycle in 28 days, from full moon to full moon. The maximum percentage of the moon's surface that is visible is 50...
Thursday, August 23, 2012 at 7:18pm by Jillian

math
Activity Boys Girls Total Walk 3 6 Bike 5 3 skateboard 2 1 3. What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these *** 4. What percentage of the boys chose walking? (1 point) 30% **** 45% 25% none of these 5. What percentage of the ...
Tuesday, April 8, 2014 at 11:49am by Ms.sue HELP PLEASE!!!

COLLEGE MATH. Please Help
perhaps I am missing something but wouldn't the smallest percentage possible of people agreeing with both statements be 0% ? and the largest percentage possible agreeing with both parts be 54% ?
Wednesday, April 15, 2009 at 10:38am by Reiny

percentages
Here are some percentage tutorials to help you: http://search.yahoo.com/search?fr=mcafee&p=percentage+tutorials\ Sra
Thursday, August 26, 2010 at 12:33pm by SraJMcGin

Help with statistics
The design tolerance thickness for an automotive part is 55mm to 65mm. If the process mean thickness is 61mm with a standard deviation of 2.3mm, then what percentage of the sheets will be acceptable?(What percentage will fall within the design tolerence?) Assume that the ...
Tuesday, April 16, 2013 at 2:53pm by Bettie

Statistics
The design tolerance thickness for an automotive part is 55mm to 65mm. If the process mean thickness is 61mm with a standard deviation of 2.3mm, then what percentage of the sheets will be acceptable?(What percentage will fall within the design tolerence?) Assume that the ...
Thursday, April 18, 2013 at 2:53pm by john

Economics
B Cross-price elasticity of demand = Percentage change in quantity demanded of good 1 / Percentage change in the price of good 2 I did the work and that's what I got.
Tuesday, November 29, 2011 at 12:03pm by Gavin

chemistry
I have one last question. Conduct a search to determine the actual value for the solubility product of calcium hydroxide. Compare your experimental value to this value by determining the percentage difference. How would I use the percentage difference formula in this case to ...
Wednesday, April 2, 2008 at 8:11pm by Jessica

essay help
I'm not sure what you're looking for, but you could figure a rough statistic as to the percentage of people who agree with the majority in each of these books. If I remember these novels correctly, the percentage would be at least 95%. Each of these societies was a closed ...
Tuesday, October 9, 2007 at 8:44pm by Ms. Sue

Math
I am having a hard time figuring this out. Can someone assist me in the right direction? Here is the problem: 5. When managing a business, it is important to take inventory of where your money is spent. You have a monthly budget of $5,000. Refer to the table below and answer ...
Wednesday, April 7, 2010 at 10:17am by Sarah

Statistics
Measurements on the percentage of enrichment of 12 fuel rods used in a nuclear reactor were reported as follows; 3.11 2.88 3.08 3.01 2.84 2.86 3.04 3.09 3.08 2.89 3.12 2.98 a. Test the Hypothesis H0: µ = 2.95 versus H1: µ 0 ≠ 2.95, and draw appropriate conclusions. Use ...
Wednesday, July 18, 2012 at 3:57pm by Josh

statistics
3. Measurements on the percentage of enrichment of 12 fuel rods used in a nuclear reactor were reported as follows; 3.11 2.88 3.08 3.01 2.84 2.86 3.04 3.09 3.08 2.89 3.12 2.98 a. Test the Hypothesis H0: µ = 2.95 versus H1: µ 0 ≠ 2.95, and draw appropriate conclusions. ...
Thursday, July 19, 2012 at 10:58am by Mike

statistics
Bellevue Hospital in New York City uses 100.6 °F as the lowest temperature considered to indicate a fever. What percentage of normal and healthy adults would be considered to have a fever? Does this percentage suggest that a cutoff of 100.6 °F is appropriate?
Friday, April 2, 2010 at 10:45pm by anonymous

Calculus
In a study prepared in 2000, the percentage of households using online banking was projected to be f(t) = 1.7e0.71t , (0 t 4) where t is measured in years, with t = 0 corresponding to the beginning of 2000. (Round your answers to three decimal places.) (a) What was the ...
Thursday, July 11, 2013 at 7:20pm by Shan

physics
to determine that force acting on each mass it was assumed that g=9.8m/s^2. The value of g at the place where the experiment is performed may be slightly different from that value. state what effect it would have on the percentage error calculated for the comparisons to test ...
Wednesday, February 12, 2014 at 9:41am by Kaylee

Calculus; Limits
The percentage of research articles in a prominent journal written by researchers in the United States can be modeled by A(t) = 26 + (36/1 + 0.8(0.8)^−t'), where t is time in years (t = 0 represents 1983). Numerically estimate lim as t→+infinity A(t). I calculated ...
Sunday, March 11, 2012 at 3:09am by James

statistics
using the 68- 95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard diviation of 20. Use the 68-95-99.7 rult to find the following quantities: percentage of scores less than 100 relative frequency of scores less than 120. ...
Thursday, August 19, 2010 at 11:09pm by margaret

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