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Gas station sells 1400 gallons of gasoline per hour if it charges $ 2.05 per gallon but only 1100 gallons per hour if it charges $ 2.95 per gallon. Suppose the linear model
(a) Find out gallons would be sold per hour of price is $ 2.70 per gallon?
(b) What should gasoline price be to sell 1000 gallons per hour?
(c) Calculate revenue taken at four prices mentioned in this problem -- $ 2.05 , $ 2.70 , $ 2.95 and answer to part
(d) Which price gives the most revenue?
Forecast the number of deliveries utilizing exponential smoothing constant for different values also compare it. A hospital records the number of floral deliveries its patients receive every day.
A player of a video game is confronted with a series of opponents and has an 80% probability of defeating each one. Success with any opponent is independent of previous encounters. The player continues to confront opponents until defeated.
If the population standard deviation is σ = 20 is the 6 point effect large enough to be statistically significant? Use the two - tailed test with α = .05
Katie is studying aggression among adolescent girls. She believes that there is a relationship between the level of interaction a girl has with her mother and her level of aggression.
In this problem I am having an issue trying to determine what equation to use to solve. Is this a one or two way ANOVA or should I just use a z-test to solve?
How many units of capacity should be built to minimize the total cost of providing capacity plus lost sales?
A flour mill produces flour in small bags before distributing them to wholesalers. The average weight of each bags is 8 kg with a standard deviation of 0.5 kg.
A) Describe the term population. B) Describe the term random sample. C) What is the difference between a population and a random sample?
How many participants need to be enrolled in each group to have a 90% chance of detecting a significant difference using a two sided test with α =0.05 if compliance is perfect?
At the 5% level of significance test whether the bottling process is carried out accurately or whether the filling machinery needs calibration. Use both the critical and the p-value approaches.
Assume that each shipment contains a random sample of bearings. a. What is the probability that a given shipment is acceptable?
What happens to the expected return and standard deviation of returns of the portfolio in Part a if the following conditions exist?
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