You survey 1000 new home buyers and find that the mean price was $185,000 and the standard deviation was $20,000. How many paid more than $210,000?
155,877 results, page 90

math 11
25,000 compounded for four years at a rate of 3.3%??? 
Business Math
what is the answer to 1.46933 x 500,000= 
Consumer math
A deposit of 4,000 at 9.5% for 270 days 
algebra
how many full days are in 450,000 seconds? 
math
The C.I on Rs.16,000 for 1½ years at 10% p.a. payable halfyearly is: 
Math
Formula. I = P x R x T. Is time is for 2 years do You $10,000 x .15 x 2 (or 24 months) 
grammar
It may be 60 feet long it may weigh 30,000 pounds 
northwester
Write 608,000 in expanded form. 
Math
What number is 1 ten thousand greater than 70,000? 
math
$12,000, invested for 7 years at 3% compounded quarterly. 
Math
12,000 is compounded semiannually at a rate of % for 20 yrs 
statistics
The diameter of small Nerf balls manufactured at a factory in China is expected to be approximately normally distributed with a mean of 5.2 inches and a standard deviation of .08 inch. Suppose a random sample of 20 balls is selected. Find the interval that contains 87% of the ... 
statistics
Random samples of size n are selected from a normal population whose standard deviation is know to be 2. Suppose you want 90% of the area under the sampling distribution of x bar to lie within + or  1 unit of a population mean u. Find the minimum sample size n that satisfies ... 
chemistry need help
Determine the number of moles of each specified atom or ion in the given samples of the following compounds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.) a. O atom in 3.161x10^21 molecules of CO2 b. C atom in 3.161x10^21 molecules ... 
chemistry
210 210 Pb > Bi + ? 82 83 60 0 Co > ? + e 27 1 I need an explanation on how to find the missing product. 
math
Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using costbased pricing and a markup of 20%, what should the price be? Show ... 
Statistics
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 689599.7 Rule, Determine: What percent of people would have an IQ score 68 and 84. 
statistics
Given that a sample is approximately bellshaped with a mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 54 and 66 is 
statistics
CALCULATE THE PERCENTAGE OF CASES THAT FALL BETWEEN THE SCORES 120 AND 110 ON A NORMALLY DISTRIBUTED iq TEST WITH A MEAN OF 100 AND A STANDARD DEVIATION OF 10 
Statistics
Calculate the mean and standard deviation of the probability distribution created by rolling a dice. Either show work or explain how your answer was calculated. 
Statistics
Given that a sample is approximately bellshaped with a mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 54 and 66 is 
Stats
Given that a sample is approximately bellshaped with a mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 54 and 66 is 75% 95% 68% 99.7% 
statistics
if the mean is 250mg and the standard deviation is 75mg and 2% goes either right or left, what formula do i use to come out with a normal curve? 
statistics
"suppose that IQ scores have a bellshaped distribution with a mean of 97 and standard deviation of 17.Using empirical rule, what percentage of IQ score are less than 46?" 
statistics
A standardized test has a mean of 88 and a standard deviation of 12. What is the score at the 90th percentile? Assume a normal distribution. how would I solve? a. 90.00 b. 112.00 c. 103.36 d. 91.00 
Math
A district mathematics test for thirdgraders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of students scored between 63 and 85? 
MAT 201
The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days. For the next employee, what is the probability that the number of days of vacation taken is less than 10 days? More than 21 days? 
Math
Cape Fear Riverwood is lumber company that specializes in recovering, cutting, and selling wood from trees discarded long ago,even those that have been underwater or buried in the ground for more than 100 year ! Historically, the logging industry used rafts made of wood to ... 
12th grade
2. Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of 0.62 °F (based on data from the University of Maryland researchers). a. If you have a body temperature of 99.00 °F, what is your percentile score? ... 
statistics
The mean of a normal distribution is 400 pounds. The standard deviation is 10 pounds. What is the area between 415 pounds and the mean of 400 pounds? The area between the mean and 395? 
Math
A company makes batteries with an average life span of 300 hours with a standard deviation of 75 hours. Assuming the distribution is approximated by a normal curve fine the probability that the battery will last:(give 4 decimal places for each answer) a. Less than 250 hours b... 
Statistics
A local grocery store wants to estimate the mean daily number of gallons of milk sold to customers. Assume the number of gallons sold follows the normal distribution, with a population standard deviation of 5.10 gallons. A random sample of 60 days shows that the mean daily ... 
(basic)accounting help plz!
June 1: Rented office space and paid three months’ rent in advance, $3,000, cheque 601. Ans: Rent expense (DEBIT) Cash (CREDIT) adjustment: a) One month’s rent had expired. i think it will be: prepaid rent (DEBIT $2000) rent payable (CREDIT $2000) CAN U CHECK IF THESE ARE ... 
Math Pre calculus
A community birdwatching society makes and sells simple bird feeders to raise money for its conservation activities. The materials for each feeder cost $5, and the society sells an average of 20 per week at a price of $9 each. The society has been considering raising the ... 
Statistics
The fracture strength of a certain type of manufactured glass is normally distributed with a mean of 579 MPa with a standard deviation of 14 MPa. (a) What is the probability that a randomly chosen sample of glass will break at less than 579 MPa? (b) More than 590 MPa? (c) Less... 
English
Thank you very much for your help. One more questions goes.... 1. We have 25 boys in our class. All of them have a TV at home. 2. We have 25 boys in our class. They have a TV at home. ====================== #1 mean each boy has a TV at home. Am I right? #2 means the same thing... 
statistics
The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days. For the next employee, what is the probability that the number of days of vacation taken is less than 10 days? More than 21 days? 
statistics
The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days. For the next employee, what is the probability that the number of days of vacation taken is less than 10 days? More than 21 days? 
Math
If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, approximately what percentage of light bulbs has a life of more than 3000 hours? A. About 84% B. About 68% C. About 32% D. About 16% Answer B 
Math HELP!!!!!
If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, approximately what percentage of light bulbs has a life of more than 3000 hours? A. About 84% B. About 68% C. About 32% D. About 16% Answer B 
Statistics
A random sample of 16 midsized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard deviation of 2.3 kilometers per liter. i) Assuming that the kilometers per liter given by all midsized cars have a normal distribution, find a 99% ... 
Math Homework questions. (check plz)
Can someone check these? 11. The sales tax rate is 7.4%? a. Find the tax paid for a pair of shoes with a list price of $93 b. the team made a total of 325 goals. what percent of the teams made goals did richard make? $6.88; $99.88 $6.88; $93.68 $0.69; $99.88 $0.69; $93.68 12. ... 
Probability #2
Baggage fees. An airline charges the following baggage fees: $25 for the rst bag and $35 for the second. Suppose 54% of passengers have no checked luggage, 34% have one piece of checked luggage and 12% have two pieces. We suppose a negligible portion of people check more than ... 
Quantitative Business Analysis
John runs a florist shop in a small arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a friend who charged him 8%. The first year John paid $9800 in ... 
math
find the standard deviation for the given data. Round your answer to one more decimal place than original data. (9,7,13,24,32,45,47) I get 16.62041 but how do I round my answer to one or more decimal places? I am a little lost. 
math
The Thompson Company uses standard costing and has established the following direct material and direct labor standards for each unit of Lept. Direct materials: 2 gallons at $4 per gallon Direct labor: 0.5 hours at $8 per hour During September, the company made 6,000 Lepts and... 
Math WORD PROBLEM
The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 860 miles above the earth in 12 hours at a velocity ... 
tax
At the beginning of 2011, Melissa was permanently transferred from her office in New York City to New Jersey. Her office in NYC is 15 miles from her old NY home. For Melissa to meet the distance test for qualifying moving expense deductions, how many miles must the office in ... 
Math help
We have no ideal on how to start this problem, we have look for it on the charts, did not see. Please help Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal ... 
Math help
We have no ideal on how to start this problem, we have look for it on the charts, did not see. Please help Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal ... 
Statistics
Do the samples appear to be from the same population? Why or why not? Support your answer with numerical facts and convincing reasons and explanations Chemical distribution stats: Five # summary: (2.29816, 2.29869, 2.299152, 2.30074) Mean: 2.299706 Standard deviation: 0.001313... 
Math
A new car depreciates as soon as you drive it out of the parking lot. A certain car depreciates to half its original value in 4 years. IF you bought a car 8 years ago, and it's now worth $5,000, how much did you pay for the car originally? 
Economics
a. Plot (EXCEL directions are on this site.) these production possibilities data, placing automobiles on the horizontal axis. What is the opportunity cost of the first 2,000 automobiles produced? Between which points is the opportunity cost per thousand automobiles highest? ... 
Finance
You have been hired as a consultant for Pristine UrbanTech Zither, Inc. (PUTZ), manufacturers of fine zithers. The market for zithers is growing quickly. The company bought some land three years ago for $1.30 million in anticipation of using it as a toxic waste dump site but ... 
Personal Finance
The Lees, a family of two adults and two dependent children under age 16, had a gross annual income of $68,000 for 2007. Determine their standard deductions, exemption, and child tax credit amounts, as well as their marginal and average tax rates assuming their filing status ... 
Data and Statistics
Calculate the z score for an ACT score of 12, a mean of 20, and the standard deviation is 5. 
statistics
Mean class scored 74 w/ standard deviation of 4.3. What is range of scores for 68% of class? 
Statisticis
16. Describe what is measured by the mean and what is measured by the standard deviation for a set of scores. 
statistics
For a population with a mean of 80 and a standard deviation of 10, what is the Z score corresponding to an individual score of 95? 
Economics  Cournot Model
There is one firm with a marginal cost of 0. It's monopoly price is 10. Another firm enters, also with zero marginal cost. Using the Cournot model, would would the new oligopoly price be? Can this question be answered without more information about the demand for the product? ... 
word problems
you are considering 2 jobs. one job pays $350 per week plus 2% commission on all sales. The second job pays $1200 per month and 2.5% commission on all sales. assuming sales of $1000,000 during the year, which job pays the best? 
Finance
You borrow $150,000 to purchase a new house. The bank offers you a special 20 year loan with a 7% interest rate and you will make annual payments. How large will each payment be? If you want to sell your house after 7 years, how much will you owe and need to pay to pay off the... 
statistics
It is known from the records of the City Schools that the standard deviation of Algebra scores is 6.0. A sample of 200 students from the system was taken and was found out that the sample mean score is 75. Previous tests showed the population mean to be 70. Is it safe to ... 
chemistry
Just..... don't get it A column packing for chromatography consists of a mixture of two types of particles. Assume that the particles in the batch being sampled are spherical with a radius of 0.5 mm. 36% of the particles appeared to be pink and are known to have a polymeric ... 
acct HELP!!!
In January 2010, Rich Corporation estimated that its 2010 yearend bonus to executives would be $1,125,000 for 2010. This forecast was based on the actual amount paid for the bonuses in the previous year. The estimate for 2010 is subject to change as the year adjusts. What ... 
Population growth
The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P = Aekt where A and k are constants. (a) With the aid of appropriate examples, explain how the growth of P ... 
math
which best describes 12 dolls in each of 100 boxes a) eqyak ti 100 b)less than 1000 c0 equal to 1000 d) more than 1000 please explain 
macro economy
December 1994 a man in ohio deposited all of the 8 million pennies He had been saving for 65 year(his deposit weghed 48000 pounds) with reserve requirement of 55 what will be the cumulative change to the baking system? a)transaction deposit b)Total reserves c)lending capacity ... 
stiochiometry
Hello! This is my take home final for my chemistry class and I can use any resources to help me solve the questions. Can someone help me get started on all of them? Thanks… (note: he wants us to solve them using stoichiometry) 1. The resting calorie use of a human is about 1... 
statistics
For a sample with a mean of M=45, a score of x=59 corresponds to z=2.00.What is the sample standard deviation? 
statistics
For a sample with a mean of M 45, a score of 59 corresponds to z 2.00. What is the sample standard deviation? 
statistics
There are 20 numbers, the highest is 91, the lowest is 34. The mean is 60 and the standard deviation is 5. What are the 20 numbers? 
statistics
There are 20 numbers, the highest is 91, the lowest is 34. The mean is 60 and the standard deviation is 5. What are the 20 numbers? 
statistics
what is the weight between 5.5 to 6 ounce when mean is 5,75 ounce and standard deviation is 0.11 
Nuclear Physics
If a polonium210 (Po210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po210 nucleus? Hint: W = F*r F=kq1q2/r 2 
Nuclear Physics
If a polonium210 (Po210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po210 nucleus? Hint: W = F*r F=kq1q2/r2 
Mat 126
A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio? 13 instructors 15 instructors 105 instructors 77 ... 
math
the formula S=c(1+r)^2 models inflation, where C= the value today, r=the annual inflation rate, and S= the inflated value t years from now use this formula to solve the problems: If the inflation rate is 6% how much will a house now worth $465,000 be worth in 10 years? If the ... 
math
I need to determine the value of eah underlined digit and its place value. 42,107,000 472,336 It should be the 2 in 42,107,000 4 in 472,336 Please tell us what you think those place values are. http://csd.k12.nh.us/~mdeno/images/pvchart.gif Here's a place value chart that ... 
Stats.
Another one that I need help.... At Ajax Spring Water, a halfliter bottle of soft drink is supposed to contain a mean of 520 ml. The filling process follows a normal distribution with a known process standard deviation of 4 ml. (a) Which sampling distribution would you use if... 
Calculus
The demand function for the Luminar desk lamp is given by the following function where x is the quantity demanded in thousands and p is the unit price in dollars. p = f(x) = 0.1x2  0.3x + 39 (a) Find f '(x). f '(x) = (b) What is the rate of change of the unit price when the ... 
Statistics
height shoe size (if you wear men's shoes, add 2) 61 6.5 67 9 63 7 66 8 60 6 71 10 71 11 63 8 63 7 66 62 7 64 6.5 61 7 64 7.5 63 8 58 6.5 63 9 62 6 61 7 74 60 6.5 60 7.5 63 8 Mean 63.73913043 7.571428571 Standard Deviation 3.922167667 1.296974501 H sub 0: x̄ = 8 H sub a: ... 
Investment???
Erik Johnson has just become a heir to $15 000. He is 23 years old, and he has graduated from a University business program. He works as an assistant managager of a retail store. He lives with his friend in a two bedroom apartment. He saves 5% of his monthly paycheck. Erik ... 
statistics
A score that is 10 points below the mean corresponds to a zscore of z=2.00. What is the population standard deviation? 
Statistics
In a given normal distribution, the standard deviation is 14.4 and 8.27% of the distribution lies to the left of 60. What is the mean? 
statistics
A score that is 6 points below the mean corresponds to a zscore of z=  .50, what is the population standard deviation? 
statistics
1. On a measure of anxiety, the mean is 79 and the standard deviation is 12. What are the zscores for each of the following raw scores? 
maths a
us e the formula z=xu/SD to determine the z score for a score of 34.5 a normal distribution if the mean is 46.5 and the standard deviation is 8.7 
Psychological Statistics
For a population with a mean of 80 and a standard deviation of 12, what is the Z score corresponding to an individual score of 92 
math
a sample consists of the following n =6 scores: 2, 7, 4, 6, 4, and 7 compute the mean and standard deviation for the sample 
Psychological Stats
For a population with a mean of 80 and the standard deviation of 12, what is the Z score corresponding to an individual score of 71? 
Math
CAN YOU HELP ME MS.SUE JUST GIVE ME THE ANSWER PLEASE I TRY AND TRY AND TRY AND STILL I CAN'T DO IT PLEASE I NEED HELP PLEASE GIVE ME THE ANSWER ANYBODY MS.SUE ANYBODY PLEASE HELP ME WITH THIS PLEASE PLEASE GIVE ME THE ANSWER PLEASE :( :( :( :( :( :( *CRYING *SAD I KNOW PUT ... 
Economics
Explain how an effective price ceiling affects buyers and how it affects sellers in a competitive market. 
statistics
Test scores on the ACT exam are normally distributed with a mean of 211 and deviation of 4.8. Using the 689599.7 rule, find the percentage of ACT scores within 9.6 of the mean of 21.1, and 14.4 of the mean of 21.1 
statistics finding the shaded region
Find the area of the shaded region. The graph depicts the IQ score of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The shaded region numbers are 85120 
statstics
a population of score has u=50 and standard devidation =10 if every score in the population is multipied by 2 the new mean and standard would be 
Statistics
A study is being planned to estimate the mean number of semester hours taken by students at a college. The population standard deviation is assumed to be o=4.7 hours. How many students should be included in the sample to be 99% confident that the sample mean is within one ... 
math
This is an SAT prep question: There are 8 sections of seats in an auditorium. Each section contains at least 150 seats but not more than 200 seats. Which of the following could be the number of seats in this auditorium? A.) 800 B.)1,000 C.)1,100 D.)1,300 E.)1,700 
stat
You wanted to test whether the cereal boxes made by your plant conform to the requirement that they contain 12 oz cereal. You wish to test at the 99 percent significance level, and you sample 100 boxes, finding the mean x as 11.85, standard deviation s is 0.5. Do your cereal ... 
Statistics
A survey of 1,000 adult Americans included the following question: "If the military draft were reinstated, would you favor or oppose drafting women as well as men?" Fortythree percent responded that they would favor drafting women if the draft were reinstated. Using a ...