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Professor Bryan noticed that gas is $0.20 cheaper in Madison (where he teaches at a satellite campus) than in Athens (where he lives). He is wondering if it will save him money to fill up each of his cars in Madison. He has a 2000 Dodge Caravan that gets 25 miles per gallon and has a gas tank of 18 gallons. He also has a 2006 Lancer that gets 30 miles per gallon and has a 13 gallon tank. If the distance between Madison and Athens is 30 miles, does it save Bryan money to drive to Madison to buy gas for each of his cars since he has to drive there twice a week anyway? Specifically, does the fuel efficiency savings from driving the Lancer outweigh the price savings from filling the Caravan with cheaper gas?
Under what situations on lambda1 and lambda2 will this system have the steady state distribution? Describe your answer.
Psychologists wanted to test whether a certain accelerated class' IQ was different than average. There were 25 students in the class; their mean IQ score was 108.
For a group of 10 men subjected to a stress situation, the mean number of heartbeats per minute was 126, and the standard deviation was 4. Find the 95% confidence interval of the true mean.
Random sample of 64 services is selected. Assume the population consists of 400 services. Find out the standard error of mean.
Based off the three requirements that must be met before an analysis of variance test (ANOVA) can be used: Samples must be randomly selected from the populations to be evaluated.
Find the 90% confidence interval of the true mean weight of all college wrestlers. If a coach claimed that the average weight of the wrestlers on the team was 310, would the claim be believable?
Using the first two digits of the measurement as your stem, construct a stem and leaf display of the data above.
How many waiters and busboys should report for work at the start of each time period to minimize the total staff required for one day's operation.
Determine the probability of receiving at most three calls in a five-minute interval of time. Determine the probability of receiving exactly 10 calls in 15 minutes.
A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively;
From historical data, Harry's Car Wash estimates that dirty cars arrive at the rate of 10 per hour all day Saturday. With a crew working the wash line, Harry figures that cars can be cleaned at the rate of one every 5 minutes.
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.
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