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The emergency room at HSI serves patients who arrive according to a Poisson distribution at the rate of 9 per hour. Treatment takes an average of 6 minutes and the treatment times can be considered to follow an exponential distribution.
What is the Minimum number of doctors required so that at least 70% of the arriving patients can receive treatment immediately? b) minimum number of doctors required so that the average time a patient waits for treatment is no more than 30 minutes as advertised? No more than 15 minutes?
A month of sales data are collected on sales of different types of computer products Run the t-tests to determine:
$240 per hour for hours spent in court, $150 per hour for consultations, and $210 per hour for depositions. What is her averages per hour for this week?
Is there any reasonable explanation for the two months that have the highest frequencies?
A fast-food restaurant sells hamburgers and chicken sandwiches. On a typical weekday, the demand for hamburgers is normally distributed with a mean 313 and a standard deviation 57; the demand for chicken sandwiches is normally distributed with a m..
The relationship d = 5000 - 25p describes what happens to demand (d) as price (p) varies. The price can vary between $10 and $50. What is the mathematical expression for total revenue (TRV).
At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? Compute the value of the test statistic.
If the service manager wants to 95% confident that the overall time is correctly estimated, with a 3 percent probability of error, what sample size should be taken.
Produce a printout of the frequency tables, showing the total of both frequencies.
Determine the typical seasonal patterns for sales using the ratio-to-moving-average method. Project the sales for 2004, and then seasonally adjust each quarter.
Many educators feel their grades should fit a normal distribution and often apply curves to make them fit one. One way to do this is to convert numeric grades to z scores using the mean and standard deviation for the grades, then use an equation s..
When the growing season is moderate. The probability of the growing season being too dry is 35%. What is the expectation for profit?
For a large group of overseas passengers, the mean is 78 pounds and the standard deviation is 15 pounds. compute the relative dispersion of each group.
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