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The manager for Select-a-Seat, a company that sells tickets to athletic games, concerts, and other events, has determined that the number of people arriving at the Broadway location on a typical day is Poisson distributed with a mean of 12 per hours. It takes approximately 4 minutes to process a ticket request. Thus, if customers arrive in intervals that are shorter than 4 minutes, they will have to wait. Assuming that a customer has just arrived and the ticket agent is starting to serve that customer, what is the probability that the next customer who arrives will have to wait in line?
Hypothesis test for the difference between two means - Assume the population standard deviations are not the same. At the 0.05 significance level, is there a difference in the mean waiting time?
Salary information for a random sample of male and female employees of a large company is shown below.
Prepare the confidence interval of 95% for the welders' proportion that graduated in the school of welding.
Calculate a 3-month moving average forecast for months 4 through 9 also Compare the two forecasts by utilizing MAD. Which forecast appears to be more accurate.
Use MegaStat's output for simple linear regression to determine the regression equation
Determine standard normal area for each of the following: Standard normal area P(1.22
Produce a printout of the frequency tables, showing the total of both frequencies.
Harrington Health Food stocks 5 loaves of Neutro-Bread. The probability distribution for sales of Neutro-Bread is listed in following table. How many loaves will Harrington sell on average?
In the last quarter of 2007 a group of 64 mutual funds had a mean return of 0.9% with a standard deviation of 5.2%. Consider the normal model N(0.009.052) for the returns of these mutual funds.
You're considering investing in a portfolio of the common stocks of four publicly-traded companies with betas as follows:
Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P- value using a= 0.05. Is there sufficient evidence to conclude that there is a linear correlation between systolic measurement and diastolic measuremen..
Suppose you were to cut up the directory and pull out one listing at random to contact.
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