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Using PERT, Ed Rose was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months and the project variance is 4.
(a) What is the probability that the project will be completed in 17 months or less?
(b) What is the probability that the project will be completed in 20 months or less?
(c) What is the probability that the project will be completed in 23 months or less?
(d) What is the probability that the project will be completed in 25 months or less?
Make use of Excel to determine the right-tail p-value.
Suppose it costs $25 per student for the administrators to provide the course materials.
Ten students were sampled at random from a student population. Each was asked how many courses he or she was planning on studying in the upcoming year. The following is a list of the reported data values: 1, 2, 2, 3, 4, 5, 5, 5, 5, 6 What is the vari..
Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.
The Minneapolis Tribune ran an article on gender differences in shopping behavior. When 400 women were asked to respond to the question "Where I shop is influenced by which store has a greater variety," 60% answered "Yes.
Multiple comparison procedures are going to be done using the Bonferroni method with = 0.05. The value of t** is 2.4667. Which of the following is the appropriate conclusion from carrying out these multiple comparisons?
In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.
A normal distribution with a mean of 55 and a standard deviation of 6 is evaluated to solve a business problem.
A random sample of 100 students at Southern University was collected. The mean age was found to be 24.2 years, with a standard deviation of 3.4 years.
The number of customers at a specialty meat store averages about 1500/day. The exact number varies from day to day. On Fridays before long weekends, the number of customers increases to about 3000. Which of the following statements is correct
An old saying in golf is "you drive for show and you putt for dough." The point is that good putting is more important than long driving for shooting low scores and hence winning money.
each person received was determined by randomization. For each person who was sent one of the surveys, the researcher recorded whether or not a completed survey was returned.
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