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1) A store has an average of 25 people arriving each minute to checkout and each person on the average require 4 minutes to be processed at the checkout. What is the minimum number of cashiers required?
2) For the above question, what is the minimum number of cashiers required to get the average wait to be less 1 minute?
Determine the estimated population mean?
Form a frequency distribution and a percentage distribution that have class intervals with the upper class limits $99, $119, and so on.
Run a regression of Y on X in Excel and turn in the output with a note explaining what the coefficients {correlation coefficient (multiple R), standard error, t-statistic and F-statistic} mean.
Find the probability that exactly 15 flights arrive on time.
Three scholarships are available for students. Their values are: $2,000, $2,400, $3,000. Twelve students have applied and no student may receive more than one scholarship. Assume all twelve students are in needs of the funds, how many different..
Interpret the correlation between each set of variables.
What is the probability that the mean starting salary is between $31,000 and $33,000 - Graduates from a graphic arts course at a community college have a mean starting salary
In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was taken.
If the estimate is to be within 8 mpg of the true mean with 98% confidence and the estimated standard deviation is 22 mph, how large a sample size must be taken?
We want to estimate the population mean within 5, with a 99% confidence level. The population std dev is estimated to be 15. How large is the required sample size?
Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.
Find the Probability and prove that the given two events are mutually exclusive and independent or not.
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