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A heavy equipment salesperson can contact either one or two customers per day with probability 1/3 and 2/3 respectively. Each contact will result in either no sale or a $50,000 sale, with the probabilities .9 and .1 respectively. Give the probability distribution for daily sales. Find the mean and standard deviation of the daily sales.
Makers of generic drugs are required to demonstrate that their generic drug does not differ significantly from the "reference" drug it is intended to imitate.
A frequency polygon: does not depend on one variable. True-False
What are confounds? Give an example of a design that has three confounds. Describe three ways to alter the design to address these confounds and explain the advantages and disadvantages of each.
Find ten consecutive composite numbers. Find the prime factors of 1147 and of 1716. Are there any common factors?
Choo Choo Paper Company makes various paper products. One of their products is a 30 mils thick paper. In order to ensure that the thickness of the paper meets the 30 mils specification
The mean weight of trucks traveling on the the highway is unknown. A state highway inspector needs an estimated mean. He selects 49 trucks passing the weighing station and gets a mean of 15.8 tons
Share 1 real-world binomial distribution situation and 1 real-world Poisson distribution situation. Be sure to explain why each example is defined as binomial or Poisson.
The annual salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience.
Using the table below, compare and contrast the main differences between two quantitative research designs and two qualitative research designs.
Machine X test unit cost $3000 with beta=3 and theta=500, Machine Y test unit cost $2000 with beta=3 and theta=400. If the machines oil fixtures has life of 20 hrs, which machine goes to market first?
The diameters of oranges in a certain orchard are normally distributed with a mean of 5.26 inches and a standard deviation of 0.50 inches.
Critically discuss why the dowload is a continous numerical varaible and critically discuss why the download time is a ratio scaled variable.
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