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 91

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 ... 
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 ... 
Managerial Econ
Chevrolet just announced a new incentive program that provides either $5,000 cash back or zero percent financing for up to seven years on Chevrolet Silverado pickups. How do you think the bottom line of Heartland Chevrolet in Liberty, MO will be impacted by this offer in the ... 
financial managment
Capital Budgeting and Cash Flow Estimation After seeing Snapple’s success with noncola soft drinks and learning of Coke’s and Pepsi’s interest, Allied Food Products has decided to consider an expansion of its own in the fruit juice business. The product being considered ... 
Statistics Range, Variance, and Standard Deviation
26. Flight Data: Find the range, variance, and standard deviation. Express answers using appropriate units, such as "minutes." Refer to Data Set 15 in Appendix B and use the times required to taxi out for takeoff. Flight 1 1 1 1 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 3 3 3 3 19 19 19... 
Math
A television company agrees to establish a community antenna in a new suburb at a charge of $5 each for 1000 subscribers or less.To encourage more subscribers,it is agreed to give a discount of $ 0.10 to each subscriber for every additional 10 subscribers in excess of 1000. ... 
math
A store finds out that 5 out of every 9 customers prefer new extra crunch peanut butter. If the store sells 90,000 jars or regular peanut butter, how many jars of new x crunch should it produce ,and how many of regular should it produce ? Have no idea how to do this. please help 
investing
A company is thinking of investing some surplus cash in 30 year $1000 face value Microsoft 6% annual coupon bonds. It plans to pay $925 each for 10,000 of them, now, and expects to SELL them for $1025 each at the end of 5 years. Make a determination about the economic ... 
math
How would i go about answereing this question? The mean temperature in new york one summer was 86 degrees. if the temperature on july 22 of that summer was 82.1 degrees, what was the deviation from the mean that day? 
algebra
How would i go about answereing this question? The mean temperature in new york one summer was 86 degrees. if the temperature on july 22 of that summer was 82.1 degrees, what was the deviation from the mean that day? 
accounting
ER Medical Supplies had sales of 2,000 units at $160 per unit last year. The marketing manager projects a 25 percent increase in univolume this year with a 10 percent price increase. Returned merchandise will represent 5 percent of total sales. What is your net dollar sales ... 
computer
need help in my homework to create a 300 words or more regarding a project like i'm in the market for a new personal printer. consider both price of the printer and the price of the consumables such paper and ink/toner. 
Math
A Luxury of Furniture at a store sells couches for $4,000,Reclining Chairs for $2,040 and loveseats for $2,800. This Luxury line went on sale where the Price of each piece of Furniture was Divided by 4. During the Sale, How much would 2 couches,1 reclining chair, and 3 ... 
statistics
The average score of all golfers for a particular course has a mean of 73 and a standard deviation of 3. Suppose 36 golfers played the course today. Find the probability that the average score of the 36 golfers exceeded 74. 
News
We have to point out the significance and impact to this story: Michigan residents looking to trade in their vehicle for a new one may be in line for a tax break. State lawmakers appear poised to vote to phase out a requirement that buyers pay sales tax on the full price of a ... 
Math
Calculate the amount of fluorescein (MW 332.31) you will need to make 10 mL of 15 mM solution in ethanol (EtOH). My answer:0.05 g 2.Using Equation C1V1=C2V2 calculate the volume of stock solution (15 mM) you need to make 1 mL of each working solution concentration: 0 mM and 0.... 
Computer Lit
Does this look good? It's about Piracy and my position. Computer Piracy What is piracy? Are there pirates running around on the Internet? Piracy is theft, you’re stealing copyrighted work. You’re not stealing if you buy a book, a song on iTunes, or a movie off of a shelf ... 
Accounting
Create an adjusted trial balance & journal entries Bank charges of $932.70 were not recorded in the books for 2014. These were credit card fees charged by the bank for Edwards, INC accepting credit cards from their customers. The charges were recorded accurately on the bank ... 
math
An employee saves for her retirement by depositing $1000 a quarter. She deposits her money in an annuity which pays a return of 2% a year compounded quarterly. What will the value of the annuity be after ten years? n = 4*10 = 40 interest per period (quarter) Total = 1220.79 40... 
Algebra 2 (Linear Programming)
An airline will provide accommodations for a minimum of 2000 firstclass, 1500 tourist, and 2400 economyclass passengers. Airplane P1 costs $12,000 per miles to operate and can accommodate 40 firstclass, 40 tourist, and 12 economyclass passengers. Airplane Q2 costs $10,... 
Math: Algebra 2 Linear Programming
An airline will provide accommodations for a minimum of 2000 first class, 1500 business, and 2400 economy class passengers. Airplane 1 costs $12,000 per mile to operate and can accommodate 40 first class, 40 business, and 120 economy passengers. Airplane 2 costs $10,000 per ... 
statistics
Among coffee drinkers, men drink a mean of 2.8 cups per day with a standard deviation of 0.5 cups. Assume the number of drinking per day follows a normal distribution. What proportion drink 3 cups per day or more? 
statistics
A sample of 400 high school students showed that they spend an average of 70 minutes a day watching television with a standard deviation of 14 minutes. Another sample of 500 college students showed that they spend an average of 55 minutes a day watching television with a ... 
Math
Scores from the same benchmark test are collected from two algebra classes, each with 30 students enrolled. One class had a mean score of 79 with a mean absolute deviation of 5, and on the other hand a mean score of 81 with the mean absolute deviation of 10. What can be said ... 
marketing
Binomial probability distributions are used in business, science, engineering, and other fields. Suppose you work for a marketing agency and have to create a television ad for Brand A toothpaste. The toothpaste manufacturer claims that 40% of the toothpaste buyers prefer Brand... 
irsc
Complete the table to determine the balance A for $12,000 invested at rate r for t years, compounded continuously. (Round your answers to the nearest cent.) r = 1.5% find T11.2 T102.9 T208.4 T3024.3 T4070.4 T50203.9 
chemistry
A piper delivers 10.04, 10.02, 10.08, and 10.06 mL in consecutive trails. Find the mean volume and the average deviation from the mean...please help some responded but didn't answer the question. 
Statistics Question (Confidence Interval)
A sample of 15 recent college graduates found that starting salaries for attorneys in New York City had a mean of $102,342 and a standard deviation of $21,756. Construct a 95% confidence interval for the average starting salary of all attorneys in the city. A. (89869.82, ... 
Math Calculator help
Assume that a normal distribution has a mean of 21 and a standard deviation of 2. Use the empirical rule to find the percentage of values that lie above 23. Now I did this on the Ti 83 by using Normalcdf(5,1) and getting an answer of 0.84 and then 10.84 and I get about 15.9 ... 
Statistics
The following are Exam scores for a group of Mathematics students. a) Group this data by using the Sturges’ formula to determine the number of classes. Keep the width of each class equal. b) Find the mean, standard deviation and variance of the grouped data obtained in (a) ... 
Math (Stats)
Consider the the distribution of underinflated tires on a fourwheel automobile. The mass density is given by: p(0) = 0.4, p(1) = p(2) = p(3) = 0.1, p(4) = 0.3 a) Find the expected value and the variance of this distribution. b) For what proportion of such cars will the ... 
DMU
The weight of adults in a certain city has amean of 130 ibs, with standard deviation of 41 ibs .asample of 25 adults living in one of the kebeles of the city is found to have a mean weight of 129 ibs. a) does this mean the residents of the kebele weight significantly less on ... 
PreCalculus
A machine worth $ 11000 new and having a scrap value of $ 10995.6 is to be depreciated over a 4.4 year life. Find the function that describes straight line depreciation for this situation. At what time will the machine be worth $ 10997.8 according to this model? So I know ... 
Math help
Can someone give me a heads up on how to even start this problem.. 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 curve is 0.3989. (b) Find the standard ... 
statistics
a towns snowfall in december averages 13 inches with a standard diviation of 8 inches while in february the average snowfall is 40 inches with a standard deviation of 13 in which month is it more likey to snow 32 inches. explain 
Precalculus
Th weekly salaries of a sample of 100 recent graduates of a private women's college are normally distributed with a mean of $600 and a standard deviation of $80. Determine the interval about the sample mean that has a 1% level of confidence. Use t=2.58 Not sure if this is ... 
Normal distribution
The breaking strength of cable is known to be normally distributtes with a mean of 4000 kg and a standard deviation of 25 kg.The manufacturer prefers that at least 95% of his product meet a strength requirement og 4050 kg.is that requirement being met?if not. by changing the ... 
math
Find decimal and fractional notation for the percent notation in each sentence. Be sure to simplify fractions. They are based on a 2,000 calorie day. 1 ounce provides 9% of the mdv of fat 
algebra
pricipal is30,000 rate of interest is three and five eigth time thirty years find amount in account .show me step by step how to solve 
algebra
Find the amount of compound interest earned in an account that opens with $21,000, earns 4.2% interest compounded daily, and is held for 5 years. Assume 360 days in a year. 
math
Find the amount of compound interest earned in an account that opens with $23,000, earns 3.3% interest compounded daily, and is held for 25 years. Assume 360 days in a year. 
algebra
Find the amount of compound interest earned in an account that opens with $24,000, earns 7.7% interest compounded daily, and is held for 15 years. Assume 360 days in a year. 
mah
When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years. 
math
When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years. 
Math
Write a compount interest function to model each situation. Then find the balance after the given number of years $27,000 invested at a rate of 3.75% compounded quarterly; 3 years 
math
Eliza borriws 25,000 and agrees to cancel her debt by paying equal sums at the.end of each month for 1 year. Find her monthly payment if interest is 6% compounded monthly. 
Math
did i work these problems right if not could some one show me how to work all three of them. 8.Represent the quantity with a real number: An altitude of 400 feet (ft) above sea level: 400 is a real number. I could also use 4 as a real number representing a 400 ft. altitude as ... 
math
If a group of data has a mean of 19 and a standard deviation of 77.8, what is the interval that should contain at least 88.9% of the data? 
math
A set of data is normally distributed with a mean of 16 and a standard deviation of 0.03. What percent of the data is between 15.2 and 16? 
Statistics
A random sample is obtained from a normal population with a mean that equals 80 and a standard deviation that equals 8 
statistics
If there are 200 students in a sample, and the mean = 45 and the standard deviation = 4. How many of these students will have a score under 41? 
maths
A loaf of bread is normally distributed with a mean of 22 oz and a standard deviation of 0.5 oz. What is the probability that a loaf is larger than 21 oz? 
statistics
if the mean of a test score is 30 and the standard deviation is 3.7. which score could be expected to occur the least often? 
statistics
there are 500 passenger with a mean age of 60 years and a standard deviation of 12. what is the minimum age of the oldest 20%? 
Science
I am doing a 3rd grade science project on the Sun. I have to create a "visual". I want to compare the size of the earth to the size of the sun. I found that you could put 1,000,000 earths inside the Sun. I would like to fill a container [representing the Sun] with something ... 
biostatistics
among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. Assume the number of coffee drinks per day follows a normal distribution. a. What proportion drinks 2 cups per day or more? b. What proportion drink no more than 4 cups per day? ... 
Math
Asher cashed in a oneyear term deposit after only five months had elapsed. In order to do so, he accepted an interest rate penalty—a reduction from the scheduled 5.5% rate of simple interest. If he was paid $145.83 interest on the $10,000 term deposit, what reduction was ... 
Statistics
Males make a mean of 531 on math SAT with standard deviation of 114. Minimum 600 score. what's the % of males that don't satisfy this requirement? Pregnancies usually distributed mean of 268 days and standard distribution 15 days. Baby born three week premature at least 3 ... 
Physics matter and its properties
A circular metal column is to support a load of 500 Tonne and it must not compress more than 0.1 mm. The modulus of elasticity is 210 GPa. the column is 2 m long. Calculate the cross sectional area and the diameter. (0.467 m^2 and 0.771 m) Note 1 Tonne is 1000 kg. 
statistics
The Deborah Heart Institute performs many openheart surgery procedures. Recently research physicians at the Institute developed a new heart bypass procedure that they believe reduces the average length of recovery. The hospital board will not adopt the procedure unless there ... 
math
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. {2,5,47,11,13,48,39,36} A). 18 B). 324.9 C).25.1 D). 24.5 I got 19.3 but it is not one of the multiple choices, am I doing it wrong? 
Marketing
The manager of the aluminum recycling division of Environmental Services wants a survey which will tell him how many households in the city of Seattle, Washington, will voluntarily wash out, store, and then transport all of their aluminum cans to a central recycling center ... 
Mathematics
A Tbill with face value of $10,000 and 96 days to maturity is selling at a bank discount ask yield of 4.3%. A. What is the price of the bill? (use 360 days a year) B. what is its bond equivalent yield? A. .043 * (96/360) = .011 .011 * (1.043) = $9,890 B. 1.1% * (365/96) = 4.... 
Statistics
#1 The normal distribution had a mean of 14 and standard deviation of 4. There were 30 people in the study group and the average was expected to be 16. The study was tested at the .05 level of significance. What was the power of the study? 74.2% 80.5% 86.4% 92.7% #2 If a ... 
Statistics
A 95% confidence interval for a population mean, ?, is given as (18.985, 21.015). This confidence interval is based on a simple random sample of 36 observations. Calculate the sample mean, x ?, and the sample standard deviation, s. Assume that all assumptions and conditions ... 
stats
Three scholarships are available for needy students. Their values are $2,00, $2,400 and $3,000 12 students have applied and no student may receive more than one scholarship. Assuming all 12 students are in need of funds, how many different ways could the scholarship be awarded? 
statitics
a light bulb manufacture gaurentees that the mean life of a certain type of bulb is at least 875 hours. A random sample of 40 light bulbs has a mean life of 863 hours with a standard deviation of 50. a=0.04 
statistics
Assume that body temperatures of healthy adults are normally distributed with a mean of 98.2 degrees F and a standard deviation of .62 degrees F. suppose we take a sample of eight healthy adults. what is the probability that their mean body temperature will be greater than 98.4 
statistics
Assume that body temperatures of healthy adults are normally distributed with a mean of 98.2 degrees F and a standard deviation of .62 degrees F. suppose we take a sample of eight healthy adults. what is the probability that their mean body temperature will be greater than 98.4 
statistics
If the average commute time is 10.9 miles, but the average is actually the mean of a sample of 300 commuters and the sample standard deviation is 6.2 miles Estimate the true mean commute distance using 99% confidence level. 
Business (management)
I need help creating the constraints. QuickScreen is a clothing manufacturing company that specializes in producing commemorative shirts immediately following major sporting events such as the World Series, Super Bowl, and Final Four. The company has been contracted to ... 
IT
Do the planning and write an algorithm for the following questions. Each problem contain a do loop. When planning your algorithm, decide which type of loop will be best suited to solving the particular problem (pretest or posttest). If the problem contain a decision to be ... 
Statistics
Thomas economic forecasting, Inc. and Harmon econometrics have the same mean error in forecasting the stock market over the last ten years. However, the standard deviation for Thomas is 30 points and 60 points for harmon.At the .05 signifcance level can we conclude that there ... 
Finance
Company is planning to buy a machinery at a cost of $20 million. This machine will be used for 10 years. The machine will bring additional revenue as follows: $10 million for first 6 years and $7 million for the last 4 years Expenses = 60% of revenue for all 10 years After 10 ... 
Statistics 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 curve is 0.3989. (b) Find the standard score (z) such that the area above the mean and below z under the ... 
Finance
1. A man establishes an annuity for retirement by depositing $50,000 into an account that pays 7.2% compounded monthly. Equal monthly withdrawals will be made each month for 5 years, at which time the account will have a zero balance. Each year taxes must be paid on the ... 
fiance
You want to create a $75,000 portfolio comprised of two stocks plus a riskfree security. Stock A has an expected return of 13.6 percent and stock B has an expected return of 11.4 percent. You want to own $30,000 of stock B. The riskfree rate is 4 percent and the expected ... 
Math 115 Ch 8
Compare the population per square mile in Asia to the population per square mile in North America for the year 2000. North America: land area(1,000mi squared)9,400 Population 305000000 Asia: land area (1,000mi squared) 17,400 population 4,028,000,000 
statistics
A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300 individuals and calculating the sample mean. Find the probability that the estimate will be in error by less than 5 minutes. Assume that the ... 
Accounting
Your firm uses return on assets (ROA) to evaluate investment centers and is considering changing the valuation basis of assets from historical cost to current value. When the historical cost of the asset is updated, a price index is used to approximate replacement value. For ... 
Statistics
Topic: Normal Probability Distribution Question: Assume that blood pressure readings are normally distributed with a mean if 116 and a standard deviation of 4.8. If the 36 people are randomly selected, How do I find the probability that their blood pressure will be less than 118? 
statistics
adult males have normally distributed heights with mean of 69.0 in and a standard deviation of 2.8 in. if a clothing manufacture decides to produce goods that exclude the shortest 12% and the tallest 12% of adult males, find the minimum and maximum heights that they will fit. 
math please help
Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard deviation of 4.5 mpg. Find the range of mileage for the middle 60% of compact cars. I have no idea how to do this with the percent. 
Stats
A sample of n25 students is selected from a population with mu =100 with standard deviation of 20. On average, how much error would be expected between the sample mean and the population mean? A. 25 pts. B. 20 pts. C 4 pts. D 0.8 pts. 
stats.
The mean number of bumped airline passengers per day s 1.35 and the standard deviation is 0.25. For a random selection of a group of 40 days, what is the probability that the mean number of bumped passengers for the 40 days will be between 1.25 and 1.50? 
Financial Management
HI, could anyone help with this please. :) 2. Find the following values: a) An intial $500 compounded for 10 years at 6 percent b) An intial $500 compounded for 10 years at 12 percent c) The present value of $500 due in 10 years at a 6 % discount rate. d) The present value of... 
Math
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9? 
math
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9? 
math
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9? 
math
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9? 
Math
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9? 
standard deviation
If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a numerical answer in the space provided. Round your answer to the nearest tenth and do not type spaces in your answer. 
Math
The Johnsons have accumulated a nest egg of $27,000 that they intend to use as a down payment toward the purchase of a new house. Because their present gross income has placed them in a relatively high tax bracket, they have decided to invest a minimum of $1300/month in ... 
Statistics
The Wechsler Adult Intelligence Scale (WAIS) is a common "IQ test" for adults. The distribution of WAIS scores for persons over 16 yrs of age is approximately Normal with mean (100) and Standard Deviation 15, (a) Whatis the probability that a random chosen individual has a ... 
College Algebra
Please help me ASAP!!!!!!!!!!!! I did the work on most of these problems but I am still confused please help. 19. Comparing Investments Russ McClelland, who is selfemployed, wants to invest $60,000 in a pension plan. One investment offers 7% compounded quarterly. Another ... 
accounting
Mia Enterprises sells a product for $90 per unit. The variable cost is $40 per unit, while fixed costs are $75,000. Determine the (a) breakeven point in sales units, and (b) breakeven point if the selling price was increased to $100 per unit. 
statistics
Scores on a test are normally distributed with a mean of 68.2 and a standard deviation of 10.4. Estimate the probability that among 75 randomly selscted students, at least 20 of them score greater that 78. 
Statistics
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. the value of P(X<10)is? 
Statistics
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. the value of P(X<10)is? 
Trig. Math
The mean score on a normally distributed exam is 42 with a standard deviation of 12.1. Which socre would be expected to occur less than 5% of the time? 1) 25 2) 32 3) 60 4) 67 I know the answer is 67, but i don't know why .. PLEASE help!