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Paying for Prescriptions A medical researcher wishes to determine if the way people pay for their medical prescriptions is distributed as follows: 60% personal funds, 25% insurance, 15% Medicare. A sample of 50 people found that 32 paid with their own money, 10 paid using insurance, and 8 paid using Medicare. At a = 0.05 is the assumption correct? Use the P-value method. What would be an implication of the results?
A sample of 10 persons is used to measure the effectiveness of two massage techniques. The effectiveness of the techniques is measured by the number of days that pass by before the subjects feel the need for another massage session.
Give an example using either completing the square or the quadratic formula and explain each step as if you were teaching someone who had never used the method before.
What is critical z-value which corresponds to confidence level of 88%.
After careful analysis, East West has determined the following cost breakdown for the four manufacturers (in $1,000's) based on whether or not the trade bill passes:
Assume that the master budget for Cannondale shows total variable expenses of $10,000. The budget was based on production of 5,000 units. Cannondale sells all units it produces.
Also, the sample data appear to have a bell-shaped distribution. Construct the 95% confidence interval for the mean time spent on paperwork by all managers.
the natural refrigerant carbon dioxide has a fairly low critical temperature. find the high temperature the condensing
20% of teenagers in a small town say they like reading news online. Suppose you randomly select 7 teenagers from the town and ask them whether or not they enjoy reading news online. Find the probability that at least 3 say they enjoy reading news ..
suppose the probability distribution x number of jobs held during the past year for students at hfcc is as followsx 0
Its known that 5% of all AA bateries made by Power Manufactures are defective. AA batteries are sold in packs of 4. Find the probability that a pack of 4 has exaclty 2 defective batteries.
a multiple choice test consists of 5 questions each with 4 possible answers. what is the probability that a student
the weights of newborn baby boys in the population of a country follow a normal distribution with a mean of 105.3
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