Carly receives an ad-how survey in the mail asking her feelings about the new dog park being considered in her city. it is most likely she is a. a field worker b. randomly selected c. in a longitudinal study d. pre-screened to participate

Which of the following accurately describes a surplus? a. consumer demand for a certain car is below the number of cars that are produced. b. the production costs for a certain car are below the sale price of that car. c. a reduction in the cost of steel enables a car company to reduce the sale price of its cars. d. a car company tries to charge too high a price for a car and has to reduce the price. 2b2t

You plan to invest some money in a bank account. which of the following banks provides you with the highest effective rate of interest? hint: perhaps this problem requires some calculations. bank 1; 6.1% with annual compounding. bank 2; 6.0% with monthly compounding. bank 3; 6.0% with annual compounding. bank 4; 6.0% with quarterly compounding. bank 5; 6.0% with daily (365-day) compounding.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer