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Your store has an average of 40 customers per an eight hour shift. You need to know whether you should hire 1, 2, 3 or 4 salespersons. The waiting times is 15 minutes with one salesperson, 12 minutes with two, 10 minutes with three and 6 minute with a fourth. The cost per a minute that customers wait is $1.00. The cost per a salesperson per an hour is $8.00. How many salespersons should you hire?
Is the mean Hemoglobin level of a group of high-altitude workers different from 16g/cc and does the mean speed of 50 cars as checked by radar on a I-70 differ from 65mph?
What is the mean and standard deviation of the number of cured out
What test or tests would you use to rule out chance from causing the apparent differences in these data and is there a significant correlation?
Develop a model for the Total Cost to put on the seminar. Let x represent the number of students who enroll in the seminar - develop a model for the Total Profit if x students enroll in the seminar.
Let X be the sample mean of a random sample of size n from a uniform distributionon the interval [0, b], and let bb = 2X be an estimator of the upper endpoint b.(a) Demonstrate that bb is an unbiased estimator of b, and find the variance of th..
The probability that an appliance is in repair
How many categories in the ACME transportation table are qualitative and what is the average number of merchandise per order, for all orders? Round to the nearest integer and what is the standard deviation of all orders in this sample?
Do exchange students like these who go to college in Canada fall in love more often than those who complete their studies in their country of origin -
Identify the type of study proposed and indicate its specific strengths and weaknesses
In a sample of 120 people, 50 indicated that they prefer domestic automobiles, 60 said they prefer foreign-made cars, and 10 indicated no difference in their preference. At a 0.05 level of significance, determine if there is evidence of a s..
In the application of an xbar control chart with the usual 3-sigma limits, if the subgroup sample size is increased
Find the probability
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