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Question: Medicine and Clinical Studies The active ingredient in antiseptic liquid bandages is 8-hydroxyquinoline (8h). This chemical can be harmful through simple skin contact, by swallowing, or inhalation. Suppose the list of ingredients on a 3M Nexcare liquid bandage indicates that the volume of 8h is 1%. A random sample of eight bottles of this product was obtained, and each was analyzed to obtain the volume of 8h. The sample mean was x¯ = 1.025%. Assume the underlying population is normal and σ = 0.04. Is there any evidence to suggest that the true mean percentage of 8h is different from 1%? Use a = 0.01 and compute the p value.
You are to ?nd the state-machine diagram for the following electronic vending-machine specification. The vending machine sells jawbreaker candy, one jawbreaker for 25¢. The machine accepts N (nickels = 5¢), D(dimes = 10¢), and Q (quarters = 25¢).
Construct a relative frequency table for the data.- Display the relative frequencies in a bar graph.- What proportion of the 17,800 rhinos are African rhinos? Asian?
the student government association at southwestern state university wanted to demonstrate the relationship between the
A chain sampling plan is used with a sample size of 5 and a parameter i of 3. If lots have a proportion nonconforming of 0.06, find the probability of accepting such lots.
A sample of 20 pages was taken without replacement from the 1,591-page phone directory Ameritech Pages Plus Yellow Pages. On each page
two wharton professors analyzed 1613234 putts by golfers on the professions golfers associations pga tour and found
assume that a simple random sample has been selected from a normally distribution population and test the given claim.
Formulate the null and alternative hypotheses. Determine the criterion for rejection or non-rejection of the null hypothesis.
suppose that 12 observations are drawn from a normal population. the observations are 15 912 11 8 12 11 7 15 9 6 and
Solve x^2 = -2 where x is a real number. Simplify your answer as much as possible.
The U.S. government recently reported that the proportion of people feeling negative about the economy was only 30%. However, a recent poll by CNN/Gallup found that in a sample of 1000 people 450 of them felt negative about the economy.
the contents of bottles of beer are normally distributed with a mean of ? and a standard deviation of ? 5ml.what is
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