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Pools sells above ground model for 'p' dollars each. The monthly revenue from the sale of the pool is given by
R= -0.08p^2 +300p
a) factor out the price on the right hand side of the formula
B) What is an expression for the month demand
c) What is the monthly demand for this pool when the price is $3000
D) Estimate the price at which the revenue is maximized. Approximately how many pools will be sold monthly at this price
E) what is the approximate maximum revenue?
F) Estimate the price at which the revenue is Zero
How much does the low temperature vary on this date? In other words calculate the variance and standard deviation?
The Greenberg public hearing meeting turned stormy. Citizens from four suburbs were gathered at city hall to try to get the city's federal funds for their own suburbs. The government recently awarded $750,000 to the city for road improvements. The..
One of these has a history of selling an average of 200 items, with a standard deviation of 20. If he wants to maximize his profits, how many should he order?
High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours. A Boeing 727 co-pilot collected 61 noise observations using a handheld sound meter.
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
A nationwide real estate company claims that its average time to sell a home is 57 days. Suppose it is known that the standard deviation of selling times is 12.3 days and that selling times are normally distributed.
If the restaurant stocks 400 hamburgers and 150 chicken sandwiches for a given day, what is the probability that it will run out of hamburgers or chicken sandwiches (or both) that day? Assume that the demand for hamburgers and the demand for chick..
You are the manager of a fast food restaurant. You want to determine whether the population mean waiting time to place an order has changed in the past month from its previous population mean value of 4.5 minutes.
Choose a variable and collect data for a least three different groups(samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following:
A state meat inspector in Iowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled "3 pounds." Of course, he realizes that the weights cannot be precisely 3 pounds.
An election poll reported that a candidate had an approval rating of 49% with a margin of error E of 2%. Construct a confidence interval for the proportion of adults who approve of the candidate.
A survey was conducted to measure the height of men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 67.8 inches and a standard deviation of 4.0 inches. A study particip..
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