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Qusetion: Profit suppose that a manufacturer produces two brands of a product, brand 1 and brand 2. Suppose the demand for brand 1 is x = 70 - p1 thousand units and the demand for brand 2 is y = 80 - p2 thousand units, where p1 and p2 are prices in dollars. If the joint cost function is C = xy, in thousands of dollars, how many of each brand should be produced to maximize profit? What is the maximum profit?
How many more days should be included in the sample to be 95% sure the population mean μ is within $50 of the sample mean x?
researchers were interested in the relationship between age and brain activity. they collected data on 20 subjects
Point out your final decision concerning hypothesis test and compute p-value for test.
Draw a picture of the appropriate sampling distribution, and show where the value P^1 - P^2 = 0.13 falls on it.- Find the value of the standardized statistic corresponding to P^1 - P^2 = 0.13.
What were the difficulties that Japanese Americans, African Americans, and women faced during WorldWar II?
Compute the kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
The old operation to restore hearing is known to be 30%sucessful. A new operation that restores hearing is being researched. It is known that 88 out of 225 operations using this new method have been successful. Can we justify the claim that the new m..
we roll a fair die repeatedly until we see the number 4 appear and then we stop. find the probability that we needed an
Calculate the degrees of freedom for a one-sample t test and a twoindependent-sample t test and locate critical values in the t table.
For a randomly selected group of adults from this county, how large would the group have to be in order for the probability that at least one group member has had CPR training to be at least 0.90?
Class size and class level. A university classifies its classes as either "small" (fewer than 40 students) or "large." A dean sees that 62% of Department.
reasearchers for a manufacture of barometers reach each of 50 barameters at the same time each day. the mean of the
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