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The manager of a market can hire either Mary or Alice. Mary, who gives service at an exponential rate of 20 customers per hour, can be hired at a rate of $3 per hour. Alice, who gives service at an exponential rate of 30 customers per hour, can be hired at a rate of $C per hour. The manager estimates that, on the average, each customer's time is worth $1 per hour and should be accounted for in the model. If customers arrive at a Poisson rate of 10 per hour, then
(a) what is the average cost per hour if Mary is hired? if Alice is hired?(b) find C if the average cost per hour is the same for Mary and Alice.
A stationery store to estimate the mean retail value of greeting cards purchased by its customers when they visit the store. A random sample of 15 customers indicates a mean amount of $2.55 with a standard deviation of $0.44 per customer per visi..
What is the inherent meaning and justification of cross multiplication as it applies to solving an equality? Is | x -2 | the same as | 2 - x |? Please explain your answer. How do you express the following mathematically?
Locate value of the population mean in your sketch and make an estimate of the standard deviation
The time it takes a student to finish a electronics test has a uniform distribution between 50 and 70 minutes.
Convert the height of the stack of pennies into meters. Calculate how many pennies would be needed to make a tower 1 billion meters tall. Give answer in both standard calculation and in scientific notation.
On average, how long does patient stay in ER? On average, how long does Potential Admit stay in ER? On average, how many patients are in the ER?
The number of items rejected daily by a manufacturer because of defect for the last 30 days are 22, 21, 8, 17, 25, 20, 18, 19, 14, 13, 11, 6, 21, 23, 4, 19, 11, 12, 16, 16, 10, 28, 24, 6, 21, 20, 25, 5, 17, 9. Complete this frequency table for the..
A sample of students attending Southeast Florida University is asked the number of social activities in which they participated last week. The chart below was prepared from the sample data.
Create a hypothesis and perform a series of tests to determine if there is any fundamental difference in the findings.
The mean annual salary paid to all employees in a company was EURO 30.000. The mean annual salaries paid to male and female employees of the company were EURO 32.000, and 24.000, respectively. Determine the percentage of males and females employed..
A survey on household income in Northeast NJ area gave the following numbers in thousands of dollars:
Select another sample of 30 scores from the same population, what measure of central tendency is likely to vary least between your first and second sample?
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