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A gas station sells 1600 gallons of gasoline per hour if it charges $ 2.20 per gallon but only 800 gallons per hour if it charges $ 2.65 per gallon. Assuming a linear model
(a) How many gallons would be sold per hour of the price is $ 2.30 per gallon?
(b) What must the gasoline price be in order to sell 1200 gallons per hour?
(c) Compute the revenue taken at the four prices mentioned in this problem -- $ 2.20, $ 2.30, $ 2.65 and your answer to part (b). Which price gives the most revenue?
12 machines are planned to be used for a 60-day production run. the actual operating time is 1440 hours. upon failure a
Conduct a one-sided hypothesis test of the claim that corner-lot houses have higher average selling prices than those located on non-corner lots.
After a second two-week period, the LDL cholesterol level of each person was recorded again. The data are shown in Table E2.18. Calculate the LDL difference (cornflake-oat bran) for each of the 14 men, then the mean x, variance s2, and standard de..
consider the following results for independent samples taken from two populations.sample 1 n1400 p10.48sample 2 n2300
Eddie's Bicycle Shop has a thriving business repairing bicycles. Trisha runs the reception area where customers check in their bicycles to be repaired and then later pick up their bicycles and pay their bills.
Define a procedure unique-pairs that, given an integer n, generates the sequence of pairs (i,j) with Use unique-pairs to simplify the definition of prim sum-pairs given above.
in a recent study of the effectiveness of popular diet plans subjects were given a numerical score of how well they
I want to see two methods are the significantly same or not. Each methods has 5 variables are inside. so I would like to see each 5 variables from methods A and B are significantly the same and overall the two methods are significantly same or not..
543 people were selected at random from a large population. 505 of them said they had the internet installed on their
There are 3 radar stations and the probability of a single radar station detecting an enemy plane is 0.65. What is the probability of 2 stations detecting an enemy plane? Round your answer to nearest hundredth.
Is this correlation statistically significant? He also found the regression coefficient to be -1.66. Is this regression coefficient statistically significant? Explain why or why not for each.
Find out if a difference between two response sets is significant. I asked 98 boys what modalities they thought were attractive to girls. 35 said athletes; 25 said tough guys. The rest endorsed other modalities at lesser rates.
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