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Using a single-server queuing system with Poisson arrivals of 10 units per hour and a constant service time of 2 minutes per unit. How do I go about calculating how long the customer waiting time will be in seconds, on average?
you want to compare response rates percents of two regimens. a power of 90 and a two-sided test of size 0.05 are
there are 15 boys and 30 girls in class and 10 are to be randomly selected for special project. whats the probability
a politician claims that she will receive 63 of the vote in an upcoming election. the results of a properly designed
Examine demographic variables as potential confounders
confidence interval estimate for the population mean is given to be 35.81 44.40. if the standard deviation is 10.126
Comparison of paired and unpaired samples test - Identify which of the two tests (Independent samples and Paired samples) test is the preferred test and justify your choice.
Test the assumption that the more experienced consultant has higher satisfaction ratings at the 5% significance level. Show all steps.
The average speed of greyhound dogs is about 18.8 meters per second. A particular greyhound breeder claims that her dogs are faster than the average greyhound. In a sample of 45 dogs, they ran, on average, 19.2 meters per second with a standard de..
The heights were normally distributed, with a mean of 67.8 inches and a standard deviation of 4.0 inches. A study participant is randomly selected. Find the probability that his height is less than 65 inches.
heights for college women are normally distributed with mean 65 inches and standard deviation 2.7 inches. find the
Use the normal approximation to estimate the probability of at least one disaster in 25 missions.
Hamburger Joe's sells the best burgers in town. The variable unit cost for making one burger is $.97. The fixed cost of making burgers for 12 months will be a total of: $140,000.
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