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Question: LubeCar specializes in fast automobile oil change. The garage buys car oil in bulk at $3 per gallon. A price discount of $2.50 per gallon is available if LubeCar purchases more than 1000 gallons. The garage services approximately 150 cars per day, and each oil change requires 1.25 gallons. LubeCar stores bulk oil at the cost of $0.02 per gallon per day. Also, the cost of placing an order for bulk oil is $20. Determine the optimal inventory policy.
Estimate the number of homes in the $150,000 up to $200,000 class. About how many homes sold for less than $225,000?
Was this a stratified sample or a blocked experiment? Explain.- Was the design of the study appropriate for the advertisers' questions?
analyze the monthly returns for freddie mac since august 1 1989.step 1 download the monthly returns for freddie mac
What is the probability that a randomly selected person will be a Protestant and at the sametime be a Democrat or a Republican and what proportion of teenagers watch 16 to 18 hours of TV a week?
suppose that the length of life in hours say x of the light bulb manufactured by company a is n80014400 and the length
a local business school claims that its graduating seniors get higher-paying jobs than the national average for
Develop a spreadsheet model that could be used to assist a user with retirement planning.
Question: Identify the independent and dependent variables and at least one potentially confounding variable. State how the confounding variable(s) might be controlled.
a survey is being planned to determine the mean amount of time corporation executives watch television. a pilot survey
let z be a standard normal random variable. use the calculator provided to determine the value of c such that p-c lt z
What is the difference between qualitative and quantitative variables? Give examples of each in the transportation industry. Which of these two classes permit interpolation of the response variable?
Conduct a test of independence using critical-value approach to determine whether employee health insurance coverage is independent of the size of the company. State the Hypotheses and the conclusion. Use α = .005.
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