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October 20, 2014

Search: standard deviation of net present value

Number of results: 31,867

statistics
How do you find standard deviation?
February 27, 2012 by Allie

math
what is the sample standard deviation of 12 12 14 16 17 18 21 21
October 4, 2012 by tina

present annuity
What is the present value of an annuity that consists of 28 monthly payments of $260 at an interest rate of 8% per year, compounded monthly? (Round your answer to the nearest cent).
December 11, 2011 by rachel

Maths
A psychological test was given to 92 teenage boys and 68 teenage girls. The test was used to assign a score to each teenager, measured on the worry scale 0 (not worried) to 100 (very worried). A summary of the results is given in the table below. Girls; Sample Size 68 ...
May 12, 2011 by Tony

Statistics
On standard IQ tests, the mean is 100 and the standard deviation is 13. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is between 61 and 139.
February 14, 2012 by Anonymous

Statistics
On standard IQ tests, the mean is 120 and the standard deviation is 18. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 156.
February 14, 2012 by Anonymous

Statistics
On standard IQ tests, the mean is 110 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 155.
February 14, 2012 by Anonymous

Math
You have to choose a battery brand to use in your smoke alarm. Company A's batteries have a mean lifespan of 1.2 years, with a standard deviation of 0.1 years. Company B's batteries have a mean lifespan of 1.5 years, with a standard deviation of 0.9 years. Which brand would ...
April 29, 2014 by Chloe

statistic
In a population of exam scores, a score of X  48 corresponds to z1.00 and a score of X  36 corresponds to z  0.50. Find the mean and standard deviation for the population. (Hint: Sketch the distribution and locate the two scores on your sketch.) A sample consists of the ...
January 26, 2013 by Nickie

statistics
You are the manager at a company and are asked to present a report on the year-to-date performance of your division. What type of statistical information would you include in your report? In paticular, which descriptive statistics (mean,median, standard deviation,etc.) do you ...
June 21, 2011 by triplec

math ,correction
is this right? Find the standard deviation to the given data. The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. THe six ...
July 13, 2007 by student

statistics
A professor informs her class that a test is very difficult, but the grades will be curved. Scores for the test are normally distributed with a mean of 25 and a standards deviation of 5. If she curves the grades by adding 50 to each grade, What is the new mean? What is the new...
April 28, 2012 by Sabrina

math
The present value of the money in your savings account is $420, and you're receiving 3% annual interest compounded monthly. What is the future value in two months?
November 15, 2010 by Anonymous

Math
The present value of the money in your savings account is $420, and you're receiving 3% annual interest compounded monthly. What is the future value in two months?
May 4, 2012 by Paige

business stat
1. Suppose quality control inspectors at the coffee house chain take a sample of 100 pieces of this chocolate product from an incoming shipment. They find a sample average of 60% cacao with a standard deviation of 8%. What is the standard error of the sampling distribution of ...
July 23, 2012 by kristin

Finance
Veggie Burgers, Inc., would like to maintain its cash account at a minimum level of $246,400; but expect the standard deviation in net daily cash flows to be $13,600; the effective annual rate on marketable securities to be 4.8 percent per year; and the trading cost per sale ...
May 15, 2010 by Hans

accounting
In recent years, there has been a lot of media coverage about the funding status of pension plans for state employees. In many states, the amount of money invested in employee pension plans is far less than the amount estimated to be needed to pay them the retirement benefits ...
May 6, 2014 by Tyler

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
February 9, 2013 by amy

123
A sample of size 50 has mean 20 and deviation 5. The value at highest concentration point is 16. It was later discovered that an item 12 was misread 30, find the value of coefficient of skewness
November 19, 2011 by Anonymous

Statistics
Part 1) Exposure to dust at work can lead to lung disease later in life. In a study of 115 drill and blast workers involved in tunnel construction the mean dust exposure was 18.0 mg-yr/m^3 with a standard deviation of 7.8 mg-yr/m^3 (sample 1). Another study of 220 outdoor ...
March 7, 2011 by Rob

chemistry
A scientist measures the standard enthalpy change for the following reaction to be -53.4 kJ : Ca(OH)2(aq) + 2 HCl(aq) CaCl2(s) + 2 H2O(l) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(l) is kJ/mol
March 18, 2012 by Austin

chemistry
A scientist measures the standard enthalpy change for the following reaction to be -53.4 kJ : Ca(OH)2(aq) + 2 HCl(aq) CaCl2(s) + 2 H2O(l) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(l) is kJ/mol
March 18, 2012 by Austin

math
The diameter of an electric cable is normally distributed, with a mean of 0.9 inch and a standard deviation of 0.02 inch. What is the probability that the diameter will exceed 0.92 inch? (You may need to use the standard normal distribution table. Round your answer to three ...
December 3, 2013 by Anonymous

statistics
1. I took a sample of the grade point averages for students in my class. For 25 students, the standard deviation of grade points was 0.65 and the mean was 2.89. The standard error for the sample was:
August 11, 2013 by CHIMI

statistics
A statistics practitioner formulated the following hypothesis: Ho: population mean=200 H1: population mean<200 sample mean=190 n=9 population standard deviation=50 Calculate the p-value of the test
March 19, 2010 by Adam

math
Suppose the standard deviation is 13.1. What is the variance?
November 13, 2009 by sandra

statistics
what is the probability of 62 with a mean of 60 and a standard deviation of 7?
July 19, 2010 by beverlt

statistics
with a mean of 60 and standard deviation of 7, what is the z score at 1.64?
May 25, 2011 by jackie

Math 110
finding the standard deviation of 15, 20, 30, 35
November 28, 2011 by April

Budgeting
A quaint but well-established coffee shop, the Hot New Caf, wants to build a new caf for increased capacity. Its expected sales are $800,000 for the first 5 years. Direct costs including labor and materials will be 50% of sales. Indirect costs are estimated at $100,000 a ...
March 9, 2013 by Shannon

statistics
Suppose that, in fact, the blood cholesterol level of all men aged 20 to 34 follows the normal distribution with mean of u = 188 milligrams per deciliter (mg/dl) and standard deviation = 41 mg/dl. 1. Choose an SRS of 100 men from this population. What is the sampling ...
February 4, 2013 by Zachovia

statistics
AAA reports that the average age of a car on U.S. roads in recent years has risen to 7.5 years. Suppose that the distribution of the age of automobiles assumes a mound shaped distribution. If 99.7% of the ages are between 1 year and 14 years, what is the value of the standard ...
September 14, 2014 by Anonymous

statistics
Which is relatively better a score of 48 on psychology test or a score of 52 on an economics test, Scores on the psychology test have a mean of 87 and a standard deviation of 14. Scores on the economics test have a mean of 53 and a standard deviation of 8.
October 27, 2013 by angela

math help
A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of that survey.) The ...
October 2, 2010 by jaz

stats
A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of that survey.) The ...
October 2, 2010 by jaz

Another Math Statistical Question
Assume Coca Bottling is a company producing power drinks. You visited the company and did a sampling of 15 bottles to figure out the average volume of the bottle. You recorded the following data: 17, 16, 17.5, 16.7, 17.3, 15, 17.2, 17, 17.2, 16.8, 17.3, 16.9, 17.4, 17.7, 17.1 ...
May 12, 2008 by Johnny

advanced algebra
The mean test scores with standard deviations of four English classes are given below. Class Mean Standard Deviation Mrs. Jones 89 1.9 Mrs. Rijo 82 1.4 Mr. Phan 73 3.4 Mrs. Scott 90 6.1 Which statement is most likely to be true?
September 22, 2014 by nautica

College Stats
A machine fills 64 ounce detergent jugs. It is known that the net amount of detergent poured into each jug has a normal distribution with a standard deviation of 0.35 ounces. The inspector wants to adjust the machine such that at least 95% of the jugs have more than 64 ounces ...
October 28, 2008 by Riley

physics
A ball was shot from the angles given in the table below. The corresponding ranges (landing at the same height from which it is shot) for three trials are given below as well. A. Determine the average range and standard deviation for each angle. B. Next calculate the initial ...
October 20, 2010 by Meghan

Statistics
The heights of the students in a statistics class are approximately normal with mean 68 inches and a standard deviation of 2.75 inches. Suppose that the heights of the 15 male students in the statistics class are also approximately normal with mean 71 inches. Would the ...
January 15, 2011 by Alex

finance
The required investment is $1 million, and anticipated year-end cash flows are as follows: Year 1 2 3 4 Cash flow $300,000 $400,000 $500,000 $200,000 Compute the net present value rate of return using a 10 percent required return. What should be decision rule in this example.
January 16, 2012 by goshtaba

math
No idea how to do this. I looked in my book and there usually is a data set present to get the first, second and third quartile. The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 392 hours and a standard deviation of 9 hours. Find the ...
April 22, 2007 by J

statistics
once again I am not getting this. assume that the population of heights of male college students is normally distibuted with a mean of 69.09 and standard deviation of 4.71. A random sample of 92 heights is obtained. find the mean and standard error of the x distribution. find ...
September 19, 2011 by denise

Business Finance
Neville Corporation, an amusement park, is considering a capital investment in a new exhibit. The exhibit would cost $174,777 and have an estimated useful life of 9 years. It will be sold for $69,200 at that time. (Amusement parks need to rotate exhibits to keep people ...
July 3, 2012 by Francesca

statistics
A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2. Assume that the variable is normally distributed. 1. Identify the population mean. 2. Identify the population standard deviation. 3. Suppose a ...
April 15, 2013 by Cam

statistics
A machine is designed to fill jars with 16 ounces of coffee. A consumer suspects that the machine is not filling the jars completely. A sample of 8 jars has a mean of 15.6 ounces and a standard deviation of 0.3 ounce. Is there enough evidence to support the consumer's ...
August 2, 2013 by ryan

Math Help!
A.) Determine "a" and "k" so both points are on the graph of the function. 1.) (0,1) (2,1); y=a(x-1)^2+k 2.) (1,11) (2,-19); y=a(x+1)^2+k B.) Determine whether or not the function f(x)=0.25(2x-15)^2+15 has a mazimum or a minimum value. Then find the value. C.) When y=2(x-3)(x+...
January 21, 2014 by Lanie

math
a=16,00, r=11.5%, t=5 years determine the present value, p, you must invest to have the future value, a, at simple interest rate r after time t. round uo to nearest cent
August 14, 2011 by marie

Statistics
37% of all doctors are family practitioners. If there are 300 doctors in one city, what is the standard deviation for the number of family practitioners? What is the expected value for the number of family practitioners?
September 24, 2010 by Lori

math
You are the buyer for your university bookstore. One of the textbooks has a cost to you of $104 and you sell it to students for $208. In this case, however, you cannot salvage any value from copies that do not sell because a new edition is published every semester. Demand for ...
July 17, 2012 by Candace

statistics
The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' study habits and attitudes toward school. Scores range from 0 to 200. The mean score for college students is about 115.8, and the standard deviation is about 32.9. A teacher ...
March 1, 2011 by Yesenia

math
The probability that a person has immunity to a particular disease is 0.3. Find the mean and standard deviation for the random variable x, the number of people who have immunity in samples of size 28. This is a binomial distribution. mean= 28*.3 standard deviation= sqrt (28*.3...
August 18, 2007 by manny

AP
The composite scores of students on the ACT college entrance examination in a recent year had a Normal distribution with mean = 20.4 and standard deviation = 5.8. 1) What is the probability that a randomly chosen student scored 24 or higher on the ACT? 2) What are the mean ...
February 2, 2011 by Erica L

statistics
the following data represents the percentages of family income allocated to groceries for a sample of 50 shoppers: percentage of family income #of shoppers 10-19 6 20-29 14 30-39 16 40-49 11 50-59 3 1.calculate the value of mean 1.1 meadian percentage of family income spent on...
April 27, 2007 by mary

Math
For a binomial distribution with n=20 trials and probability of success p=.05, we let r= number of successes out of 20 trials. Use the normal approximation to estimate P(6<=r<=12). How does this value compare with the corresponding probability obtained using the binomial...
January 21, 2013 by Leanne

Quantitative Research
What is the probability of 59 if the mean is 60 and the standard deviation is 7?
June 13, 2010 by Cecilia

stats
Mean is 60 and standard deviation is 7. what percentage is 73 and below.
October 12, 2010 by Christine

statistics
a distribution has a mean of 5 and a standard deviation of 2, what is the z score of 8 ?
February 26, 2011 by Ruben

statistics
what is the variance and standard deviation for the group of numbers: 28 27 48 52 77 29 30 31 60
March 4, 2011 by Barbara

OMT101
Find variance and standard deviation for the data 35,45,30,35,40,25
March 28, 2011 by Yogesh

hcc
find sample variance and standard deviation.8,45,16,50,34,25,32,31,30,27.s^2=
March 13, 2011 by chelsea

Total Quality Management
Find the standard deviation of 32,15,54,18,and 46
December 3, 2011 by Nelson

statistics
a coin is tossed 16 times. What is the standard deviation?
May 3, 2012 by Ambra

Statistics
what drawback of the standard deviation is illustrated by example?
June 28, 2012 by Lu

algebra2
What are the mean, variance and standard deviation of these values? 62,41,54,60,49,58.
April 8, 2013 by Lea

statistics
what is the variance and standard deviation of the following numbers:14,16,26,36,12,16
April 30, 2014 by Hunter

Statistics
In hypothesis testing, if the population standard deviation is KNOWN, your graph should be labeled a T or Z line? In hypothesis testing, if the population standard deviation is NOT KNOWN, your graph should be labeled a T or Z line?
October 21, 2009 by Kevin

math
john has a loan but doesn't begin to repay his loan for 11 months, at a rate of $500 every month of four month. the interest rate is 8% compounded monthly determin the size of the loan using the following 2 steps 1. calculate the present value, pv1 of annuity payment at the ...
August 9, 2012 by jule

statistics
M&M plain candies have weights that are normally distrbuted with a mean weight of 0.8565 gram and a standard deviation of 0.0518 gram. A random sample of 100 M&M candies is obtained from a package containing 465 candies: the package label states that the net weight is 396.9 ...
July 19, 2010 by cindy

economyst check!
In many families both parents work, as a result there is increasing need for day care. Data was collected; and one year in Canada approximately 32% of children aged 0 to 11 years were in day care for at least 20h per week. What is the probability, in a random poll of 60 ...
June 7, 2007 by stats!

statistics
we want to if men and women perform differently on statistics tests. The average of 15 men's scores was 76. The average of 10 women's scores was 83. The standard deviation in both cases is 10. Test at 5% significance level. what is the null and alternate hypothese? is it a one...
February 26, 2010 by Anonymous

finance
A manufacturing company issues a bond with a 100,000 face value and a coupon rate of 7%. If the bond has a life of 30 years, pays annual coupons, and the yield to maturity is 6.8%, what percentage of the bond's price is the present value of the face value?
September 6, 2012 by chris

Algebra 2
a) The average height of sunflowers in a field is 64 inches with a standard deviation of 3.5 inches. Describe a normal curve for the distribution, including the values on the horizontal axis at one, two, and three standard deviations from the mean. b) If there are 3,000 plants...
April 23, 2013 by Kelly

Algebra
Question Part Points The diameter of an electric cable is normally distributed, with a mean of 0.6 inch and a standard deviation of 0.02 inch. What is the probability that the diameter will exceed 0.62 inch? (You may need to use the standard normal distribution table. Round ...
June 15, 2013 by Grizz

statistics
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.03 inch. What is the probability that the diameter will exceed 0.83 inch? (You may need to use the standard normal distribution table. Round your answer to three ...
May 29, 2014 by Mary Ann

statistics
On standard IQ tests, the mean is 120 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 120.
February 16, 2012 by Anonymous

statistics
Someone who has never seen a normal die before decides to estimate the mean value of all its faces (μ) by rolling it many times. First, they are told that the standard deviation is σ = 1.7. Then, they roll the die 50 times and get a sample mean of x-bar = 3.7. ...
January 29, 2012 by Nadia

math
the study hours are 4, 10, 20, 24, 34, 36, 42 and the z scores are 2.5, negative 1.75, negative .5, 0, 1.25, 1.5, 2.25 and the percentile ranks are 10,25,35,40,50,75,95 what is the study hour with a z score of 1.75, what is the standard deviation of all the students, and what ...
December 20, 2010 by christina

Statistics
Kind attention Psydag: A random sample of size 20 from a normal population with sample mean 42 and sample standard deviation of 6 . To test the hypothesis the population mean 44 at 5% level of significance , find the p-value and comment Clarification: The sample size is 20 ...
January 1, 2010 by Mrs. Lakshmi

statistics
On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the Z scores for persons who score (a) 340, (b) 310, and (c) 260. Give the raw scores for persons whose Z scores on this test are (d) 2.4, (e) 1.5, (f) 0, and (g) 4.5.
June 29, 2009 by Gregory

statistic
Chebyshev's thereon- the author's generac produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt. using chebyshev's theorem,what do we know about the percentage of voltage amounts that are within 3 standard deviations of the mean? What are the...
September 18, 2011 by marie

statistics
The respiratory rate per minute in newborns varies according to a distribution that is approximately Normal with mean 50 and standard deviation 5. The proportion of observations from a standard Normal distribution that take values less than 1.15 is about (a) 0.1251. (b) 0.8531...
July 9, 2013 by Jen

Statistics
A building contractor claims that they can renovate a 200 sq foot kitchen and dining room in 40 work hours plus minus 5 (the mean and standard deviation respectively). The work includes plumbing, electrical installation, cabinets, flooring, painting and installing new ...
March 2, 2007 by Jason L

statistics
Given that x is a normally distributed random variable with a mean of 60 and a standard deviation of 10, find the P(56 < x <74). Please show all your work and write your answer in a complete sentence. Using the information from question 1, what percentage of the ...
July 23, 2012 by Rachel

Math-Value of Mean
A brewery has a beer dispensing machine that dispenses beer into the company's 12 ounce bottles. The distribution for the amount of beer dispensed by the machine follows a normal distribution with a standard deviation of 0.13 ounce. The company can control the mean amount of ...
December 12, 2009 by Ashley

Finance
I have a case study to do and I'm not sure how to go about it. I need to find the present value for three different offers, all of which have a 10% rate and ordinary annuities. This is the first offer: $1,000,000 now $200,000 each year for years 6 through and including year 15...
October 11, 2011 by Justin

statistics
5) The lifetime of a medical device s a normally distributed rv with standard deviation of 2 years. An experiment is conducted to test 15 medical devices and find their lifetimes to be: a. If the population mean is known to be 15 years, what is the probability that the mean ...
December 8, 2012 by nur

STATS
In a certain store, there is a .05 probability that the scanned price in the bar code scanner will not match the advertised price. The cashier scans 820 items. a) What is the expected number of mismatches and standard deviation? (Round your expected number of mismatches to 1 ...
October 30, 2010 by Helen

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Substance So (J/mol∙K) ∆Hf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 If the value of the standard entropy change, ∆S for the reaction is -232.7 ...
January 11, 2011 by Brenda

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Substance So (J/mol∙K) ∆Hf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 If the value of the standard entropy change, ∆S for the reaction is -232.7 ...
January 12, 2011 by Brenda

chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Substance So (J/mol∙K) ∆Hf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 If the value of the standard entropy change, ∆S for the reaction is -232.7 ...
January 13, 2011 by Brenda

AP Statistics - sampling distribution help
The composite scores of students on the ACT college entrance examination in a recent year had a Normal distribution with mean = 20.4 and standard deviation = 5.8. 1) What is the probability that a randomly chosen student scored 24 or higher on the ACT? 2) What are the mean ...
February 2, 2011 by Erica L

AP Statistics - Sampling Distribution Help
The composite scores of students on the ACT college entrance examination in a recent year had a Normal distribution with mean = 20.4 and standard deviation = 5.8. 1) What is the probability that a randomly chosen student scored 24 or higher on the ACT? 2) What are the mean ...
February 3, 2011 by Erica L

Statistics
Calculate the Standard Deviation of the following list of data: 6, 7, 8, 9, 10
May 10, 2008 by Shannon

Math
I need to know the standard deviation and how to get it for the following set of numbers. {10, 11, 10, 12, 11, 10, 11, 11, 12, 13, 11, 10, 14}
January 9, 2010 by Anna

statistics
if the mean of a set of data is 23.00, and 12.60 has a z-score of -1.30, then what is the standard deviation?
March 10, 2010 by Anonymous

Statistics
Find the population standard deviation for the data set? 1, 2, 3, 5, 6, 7
May 14, 2011 by Phillip

Statistics
The mean of a data set is 23 and 12.6. The z-score is -1.30. What is the standard deviation?
June 26, 2011 by Shelle

statistics
how to interpret two diffrent mean and standard deviation ??????????????
November 24, 2011 by metu

Statistics
can someone give me the formula of standard deviation?Please! Thanks!
February 25, 2012 by pallavi

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