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Question: A survey conducted by the American Automobile Association showed that a family of four spends an average of $215.60 per day while on vacation. Suppose a sample of 64 families of four vacationing at Niagara Falls resulted in a sample mean of $252.45 per day and a sample standard deviation of 574.50.
a. Develop a 95% confidence interval estimate of the mean amount spent per day by a family of four visiting Niagara Falls.
b. Based on the confidence interval from part (a). does it appear that the population mean amount spent per day by families visiting Niagara Falls differs from the mean reported by the American Automobile Association? Explain.
Find the quantity of each chocolate bar you should manufacture to maximize your daily profit. Write the inequalities to describe each objective and constraint.
A siphon is used to drain water from a tank, as illustrated in Figure. The siphon has a uniform diameter. Assume steady flow without friction. (a) If the distance h = 1.00 m, find the speed of outflow at the end of the siphon.
Find the angle the resultant force makes with the positive x-axis. (Let a=24lb and b=18lb. Round your answers to one decimal place.)
Examine the data set on the worksheet Q1. This is fictional data from a survey of 500 randomly selected households. Ignoring the identifier variable Household, state the variable type and sub-type for each variable (categorical and ordinal or nomina..
Write the LP model for this problem (mathematically define all decision variables, parameters, constrains, and objective function necessary for formulating the LP model whose solution will tell Airco how it can achieve its objective).
How much money will Tom and Tricia have in 45 years if they do nothing for the next 10 years, then put $2400 per year away for the remaining 35 years?
When the rock is totally inunersed in water, the tension is 28.4 N. When the rock is totally inunersed in an unknown liquid, the tension is 18.6 N. What is the density of the unknown liquid?
What is standard deviation for the average time? Use the 99.7% of the data, describe the variability of this sample mean
If SMM wants to have at least 5 ads per day, but spend no more than $50,000 on Friday and no more than $75,000 on Saturday, formulate a linear program to help SMM decide how the company should advertise over the weekend.
Fixed costs are assumed normal with a mean of $5 million and a standard deviation of $20,000. Demands are all assumed to be normally distributed with the following means and standard deviations.
MATH 615-901 Final Project. Comment on your results, including a discussion of how well the given ODE model fits the datasets and any pattern you may or may not see in the residual plots
An architect is designing an office building that is 120 feet by 72 feet. The architect wishes to use prefabricated rectangular panels to construct the outside walls. If the same size panels are to be used on all sides of the building what is the ..
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