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Two servers with lambda 1 & lambda 2 service times exponentially distributed. Pat waits in a line to get served by any of the two servers.
a) What is the waiting time of pat if no one is on the line?B) What is the waiting time if Pat know lambda1<lambda 2
If were interested in studying obesity in a small sample size of 10 adult men by looking at their body weights and heights, would you say that trimming the mean is a good idea? What are the advantages of trimming the mean in this situation? What a..
A pediatrician is interested in studying the effect of Motrin on reducing temperature in young children. Four children with influenza have their temperatures taken immediately before and then 20 minutes after taking a standard dose
A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 5% are defective. The manufacturer claims this is a fluke of the sample.
If the average tax payer who makes $140,000 per year owes the government $18,200 with a standard deviation of $1500, and the IRS receives a 1040 tax documents from a customer who earned $140,000 that claims he only owes $12,000, should the IRS sus..
If probability of demand for 50 units is .40, probability of demand of 100 units is .50, and probability of demand for 150 units is .10, what lot size would you recommend if the goal is to maximize expected profit?
The monthly cost of a long distance phone plan in dollars is a linear function of the total calling time in minutes. When graphed, the function gives a line with a slope of 0.11.
It costs ABC $0.5 per pound to ship the box containing the weights. Because it's an odd-shaped package, though, shipping the bar costs $0.6 per pound plus a $10 surcharge. Find the mean and standard deviation of the company's total cost for shippi..
The table below shows the scores of a group of 15 students in mathematics and art: Determine if the locations of distribution of scores for these students differ significantly for the two subjects. Use the hand calculation method and then use PHSta..
Using this information, calculate Blpha risk (probability of Type II error) if the true population mean really is 79.
Please provide an answer to the questions below that contains 250 to 300 words to each. How does the knowledge of simplifying an expression help you to solve an equation efficiently? Give an example of using and not using simplification to illustra..
Determine a 99% confidence interval for mean pH in rainfall. How would you distinguish interval?
Given a sample size of 9,245, a sample mean of 38, a standard deviation of 8.15, and a confidence level of 97%, calculate the lower bound of the confidence interval.
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