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In a survey, Fortune rated companies on a 0 to 10 scale. A random sample of 10 firms and their scores is as follows.
FedEx 8.94, Walt Disney 8.76, CHS 8.67, McDonald's 7.82, CVS 6.80, Safeway 6.57, Starbucks 8.09, Sysco 7.42. Staples 6.45, HNI 7.29
Construct a 95% confidence interval for the average rating of a company on Fortune's entire list.
nobel prize winners. the national science foundation collects data on nobel prize laureates in the field of science
a. Use PERT to identify the expected time and variance for each activity. b. What is the critical path? c. What is the expected time and variance of the critical path?
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?
What is a p-value in testing hypothesis? How does this p-value help us to decide to/not to reject a Null hypothesis?
Problem 2: Construct a scatter plot of the following data using Minitab:
If a remote's maximum range is 10 feet, what percentage of the time will users attempts to operate the remote outside of its operating limit?
Why are the utilization statistics different across the different generating sources? What percent of total electric sales (in GWh) is nonresidential? Why are operating statistics like this useful to analysts?
Repeat the analysis for the new alternative being considered by the manager.
the time it takes a cell to divide called mitosis is normally distributed with an average time of one hour and a
in a normal distribution with mean 50 and a standard deviation 10 what is the probability of randomly sampling a
Intersection of two mutually exclusive events: can be any value between 0 to 1, must always be equal to 1.
Cumulative frequency distribution, histogram, ogive and stem and leaf display. Calculate appropriate summary statistics. Incorporate these graphs and statistics into a well written summary
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