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A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively; each unit of B requires 3, 4 and 1 kilograms of wood, plastic and steel respectively, and each unit of B requires 3, 4 and 1 kilograms of wood, plastic and steel respectively. The profit per unit of A and B is $4.00 and $6.00 respectively.
a. Write out the objective profit function.
b. Write out the constraints this company faces.
c. List all corner points and determine which combination of items will produce the maximum profit.
When the conditionally and unconditionally expected values of a discrete random variable would be different?
At the 1% significance level, can it be concluded that the current distribution of responses differs from that of a year ago ?? Formulate and test the appropriate hypotheses. Use the critical value approach.
Assume that another counselor decided to extend the aforementioned study by collecting data on 14 children. His study yielded the following results:
For each of the following problems, assume that the homogeneity of variance assumption has not been met and that you will need to use the adjusted Welch statistic.
What is the difference between McNemar's Test and the chi-square test for 2X2 tables? When do we use each test?What is a discordant pair and concordant pair? Also, which type of pair is used in the McNemar's test?
When the purpose of sampling is to detect when a process becomes too variable the chart of choice will be a c-chart?
A coin was flipped 60 times and came up heads 38 times. (a) At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations. (b) Calculate a p-value and interpret it.
He measures the heights of 25 men from this century and finds the mean and standard deviation for his sample.
The difference between expected payoff under certainity and expected value of the best act without certainity is the expected:
A company that has 200 employees chooses a committee of 15 to represent . When the committee is formed, none of the 56 minority employees are selected. if the committee is chosen randomly. What is the probability that it contains no minorities.
Create a histogram for the following data of the number of miles from residence to place of employment for 30 randomly selected residents of Middletown County.
Box 1 has 3 chips numbered 1,2,3. Box 2 has 2 chips numbered 1 and 2. Suppose a chip is randomly selected from box 1 and placed in box 2.
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