What is the value
What is the value for x2left for a 95% confidence interval when n = 18?
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Construct a Markov chain to model the productivity of the shop. Hint: There are 8 possible states corresponding to the combinations of the up and down states of the three machines. Number these in accordance to the binary numbers. That is, state 0
What is the value of the test statistic? Answer is t= 2.04 but need an explanation of how to get it.
The market price for a certain product is $5 per unit and occurs when 14,000 units are produced. At at price of $1, no units are manufactured and at a price of $19.00, no units will be purchased. Find the supply and demand euqations, assuming they
A sample of women were divided into four age groups: Group A (20-45.9), Group B (46.0-55.9), Group C (56.0-65.9), and Group D (66 or older). Information on calcium intake was collected from each woman. Does mean calcium intake differ across the f
Let f(x,y)(x,y) = 4/5(x+3y)e^(-x-2y) if x>0, y>0 be the joint distributiton of (x,y). Find the correlation coefficient.
Suppose that the service rates at the three stands are large enough so that a stationary distribution exists. At what rate do the three stands make sales. To check your answer note that since each entering customers buys exactly once the three rat
The labor force is the actual number of people eligible for work, both the employed and the unemployed. In one county, men constitute 60% of the labor force. The rates of unemployment are 5.1% and 4.3% among males and females, respectively. What p
Comparing your answers for parts a and b, explain how the size of the sample influences the outcome of a hypothesis test.
According to a website about salaries, the national average salary as of October 2003 for a human resources clerk was $29,932. We assume that the annual salaries for clerks are normally distributed with a standard deviation of $1,800. (Give your a
Use graphical sensitivity analysis to determine the range of values of the probability of state of nature s1 over which each of the decision alternatives has its largest expected value.
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