Estimate the average number of hours per week

Assignment Help Mathematics
Reference no: EM131043768

A survey was developed to estimate the average number of hours per week that adults spend exercising. Every third person entering a large fitness complex was surveyed, with a total of 2,500 people being surveyed. The data showed that the mean number of hours spent exercising was 3.2 hours per week. Which characteristic of the survey could create a bias in the results?

Reference no: EM131043768

Questions Cloud

What are the risks and opportunities that obesity brings : What is it doing well, and where does it need to improve? What would you tell the CEO? What would you tell the head of the American Medical Association?
What is the new divisor for the price-weighted index : Able, Baker, and Charlie are the only three stocks in an index. The stocks sell for $49, $200, and $112, respectively. If Baker undergoes a 3-for-2 stock split, what is the new divisor for the price-weighted index? (Do not round intermediate calculat..
Success rate of the new treatment : Let p = true success rate of the new treatment. Using mathematical notation, write null and alternative hypotheses about p.
What is the effective annual cost to your firm : Your firm purchases goods from its supplier on terms of 1.3 / 15, net 40. What is the effective annual cost to your firm if it chooses not to take the discount and makes its payment on day 40?  What is the effective annual cost to your firm if it cho..
Estimate the average number of hours per week : A survey was developed to estimate the average number of hours per week that adults spend exercising. Every third person entering a large fitness complex was surveyed, with a total of 2,500 people being surveyed.
Considering the purchase of new cookie dough-making machine : Tiff’s Treats is considering the purchase of a new cookie dough-making machine. The new machine should reduce their operating expenses by $20,000 each year for 10 years.  What purchase price makes the NPV of the project zero if you estimate that the ..
Improving visibility after dusk : Many cities around the US are installing LED streetlights, in part to combat crime by improving visibility after dusk. An urban police department claims that the proportion of crimes committed after dusk will fall below the current level of 0.84 i..
What is the standard deviation of demand during lead time : What is the standard deviation of demand during lead time? What is the safety stock level that should be carried for the WAMI-1000? What is the reorder point for the WAMI-1000?
How plan and conduct appropriate geographical information : Explain how you would plan and conduct appropriate geographical information analysis of each cases, with the stated goals in mind.

Reviews

Write a Review

Mathematics Questions & Answers

  Explain limitations of simulation models

When are the Poisson and negative exponential distributions used and What are the advantages and limitations of simulation models?

  State the null and the alternative hypotheses

The manager of a grocery store wants to determine whether the amount of milk contained in 2-litre cans actually averages 2 litres as advertised. State the null and the alternative hypotheses. Which kind of test you will use to prove it?

  Find how long it takes the son to clean alone

A father and his son can clean the house together in 4 hours. When the son works alone, it takes him an hour longer to clean than it takes his dad alone. Find how long it takes the son to clean alone.

  What is the natural domain of the function fx 2x

what is the natural domain of the function fx 2x -1?a. all of the real numbersb. x 0.5c. all real numbers except x

  How to use the zero-factor property

Explain in your own words how to use the zero-factor property when solving a quadratic equation. Post a problem for classmates to solve.

  Fundamental theorem of galois theory

The subgroup-intermediate subfield given in the fundamental theorem of Galois Theory,

  State the compounding continuously formula

A woman deposits $50,000 in a savings account with 4% continuously compounded interest. How many years must she wait until the balance has doubled? Use the Compounding continuously formula and show the steps involved in getting the solution.

  Information about recursive algorithms

Write a recursice algorithm to find x^n mod m whenever n,x and m are positive integers based on the fact that : x^n mod m = (x^(x-1) mod m * x mod m)mod m

  What is the probability that a randomly selected helproom

What is the probability that a randomly selected helproom client received help with Stat given that s/he is majoring in Business?

  The function f is defined by fx x -1 sketch its graph

the function f is defined by fx x -1. sketch its graph. observe that there is no value c such that f3-f0 fc3-0. why

  How many of each product should be made each month

The profit of each bookcase is 40$ and each desk is 75$. How many of each product should be made each month in order to maximize profit.

  Find probability of payment before creation of credit policy

Probability of payment before creation of credit policy, Mucklehoney Sports operates a mail-order running shoe business.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd