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Suppose that Pizza King and Noble Greek stop advertising but must determine the price they will charge for each pizza sold. Pizza King believes that Noble Greek's price is a random variable D having the following mass function: P(D = $8) = .25, P(D = $11) = .35, P(D = $13) = .4. If Pizza King charges a price p1 and Noble Greek charges a price p2, Pizza King will sell 110 + 15(p2-p1) pizzas. It costs Pizza King $3.5 to make a pizza. Pizza King is considering charging $5, $6, $8, $9, or $11 for a pizza. Use each decision criterion (maximin, maximax, minimax regret, expected value) to determine the price that Pizza King should charge."
Given the recursively defined sequence a_1= 0, a_2= -30, and a_n=8a_n-1 -15a_n-2, use complete induction to prove that a_n=5*3^n - 3*5^n for all positive integers n.
Your director has banned the use of all artificial fingernails, claiming their use contributes to patient infections in the unit. After multiple discussions the director has allowed you to do a research study to determine if the use of artificial ..
Using a test, 80% of Down's Sydrome cases can be identified, while 5% of normals are detected as positive. What is the sensitivity and specificity of the test?
Standard deviation was 4.1 years. Suppose the variable is normally distributed. Determine 95% confidence interval of the true mean age.
Hamburger Joe's sells the best burgers in town. The variable unit cost for making one burger is $.97. The fixed cost of making burgers for 12 months will be a total of: $140,000.
Find out the probability that: First electric brush chosen is defective?
Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. (Round your answer to two decimal places.)
In a random sample of 35 trading days, the volume of a particular stock is recorded to determine whether the mean volume of the stock changed from its 2007 value of 35.14 million shares.
Each of the given z-scores, draw the normal distribution and sketch the vertical line at location of z-score, then find out whether body is to right or the left of line and determine the proportion in the body.
The carpeting department supervisor claims that the average number of days between the receipt of a complaint and its resolution is 20 days or less.
High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is
Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls compared to swimmers, who are also athletes but who are not regularly hit in the head. Is this an example of an experimenta..
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