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percentage of physicians who are women is 27.9%. In a survey of physicians employed by a large university health system, 45 of 120 randomly selected physicians were women. Is there sufficient eviden at the 0.05 level of significance to conclude that the proportion of women physicians at the university health system exceeds 27.9%?
The relationship d = 5000 - 25p describes what happens to demand (d) as price (p) varies. The price can vary between $10 and $50. What is the mathematical expression for total revenue (TRV).
If 20 customers were selected at random during one business day, what is the probability that at least 11 of them did not order a pastry with their drink.
At the 0.05 level of significance can it be concluded that the population mean height of treated plants is difference from 38 centimeters?
The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50. What is the probability that a student uses fewer than 400 minutes?
30% of households say they would feel secure if they had $50,000 in savings. you randomly select 8 households and ask them if they would feel secure if they had $50,000 in savings. find the probability that the number that say they would feel secu..
In a Gallup Poll of 1005 randomly selected Americans in April 2006, 482 responded "yes" to the question, "Do you consider the amount of federal income tax you have to pay as too high?"
Among 12 adults randomly selected from this area, only 3 reported that their health was excellent. Find the probability that when 12 adults are randomly selected, 3 or fewer are in excellent health.
Assume a business researcherwishes to test hypothesis that greater proportion of marketing managers keep track of such obligations.
Perform a sensitivity analysis on the optimal decision and summarize your findings. In response to which model inputs is the expected profit value most sensitive?
You have been hired as a consultant to Medlark. Your job is to determine how many tickets to sell. Explain your solution completely and write your recommendation to the company.
Suppose that X represents diameter measurements from a gamma distribution with a mean of 3 mm and a variance of 1.5 mm^2.
Ffind the probability that exactly 7 of the 10 consumers recognize the brand name. Also find the probability that the number who recognize the brand name is not 7.
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