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Can you please solve this problem.
A production line manager, J, is trying to design a manufacturing line, using the machines that her company already has. Based on the historical records, each individual candidate machine will fail, during the production, with a probability of 1-p, and their failures are independent. Since the company plans to discard the machines after the production, J has no budget to repair any failure machine. The line is considered as working properly if at least 50% of the machine(s) in the line remain operative, otherwise the production is considered failed. There are two options for line design:
a. Using four machines;
b. Using two machines.
A human resources director, on learning about the regression effect, decides to hire people who have been fired by their previous employer for poor performance.
The random variable xi represents the number of complaints, and p(xi) is the probability of receiving xi complaints.
Determine the probability that she lives in an all electric home?
Computer stocks currently provide an expected rate of return of 16%. Dell, a large computer company, will pay a year-end dividend of $2 per share.
The Weschsler IQ test has a μ =100 and a σ = 15. A vitamin company said if people took vitamin X for 30 days their IQ would improve. A simple random sample of 49 people took the vitamins for 30 days. They then took the IQ test. The mean IQ of the ..
It is really frustrating to run out of stock. Why wouldn't an organization always store large quantities of inventory to eliminate shortages and stockouts?
A decision maker is working on a problem that requires her to study the uncertainty surrounding the payoff of an investment. There are three possible levels of payoff -$1,000, $5,000, and $10,000.
Explain the difference between the null and alternative hypothesis. Which one can be proven in a statistical sense?
Equation of the regression line - Evaluate the equation of the regression line and Find y' when x=47 years.
You are considering adding a new food product to your store for resale. Explain how many units of the new product should be purchased for resale.
Run a simple regression of the dependent variable demand on the independent variable price and observe the coefficient on price.
If the weight distribution is known to be normally distributed, do the data support the veterinarian's suspicion? Conduct a hypothesis test at the 5% significance level. Define your parameter (μ), state your hypotheses, conduct the test and write ..
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