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Suppose that the annual rate of return for a common biotechnology stock is normally distributed with a mean of 5% and a standard deviation of 6%. Find the probability that the one-year return of this stock will be positive. Round your answer to at least four decimal places.
Describe what you find then produce an ANOVA for the problem.
If a remote's maximum range is 10 feet, what percentage of the time will users attempts to operate the remote outside of its operating limit?
Assuming the sigma of 200 was actually the standard deviation for the sample, recalculate the interval estimate. Discuss how this changed your result from that in part b.
The owner of a restaurant serving Continental-style entrees has the business objective of learning more about patterns of patron demand for the Friday to Sunday weekend time period.
It is suspected that high pollution levels (measured by number of particulates found in the air) increase the levels of asthma attacks. A researcher collects data on50 people who experienced an asthma attack during the course of one year.
Content of 100 randomly chosen cigarettes was 3.1 mg. What is the probability that the sample mean would have been as high as or higher than 3.1 mg if the company's claims were true?
Suppose a sample of 16 wires is selected and each is tested to determine the tensile strength. the resulting sample mean and standart deviation are 2160 and 30 respectively.
comparison of paired and unpaired samples test.nbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp a local voluntary organization
Given that the sample mean is x¯=93.81, and the sample standard deviation is s=4.65, determine if there are any outliers. (We will define an outlier to be any data value outside of the x¯+_2s range.)
Cast a die a number of independent times until a six appears on the up side of the die. Find the probability density function F(x)= P(X
The Wall Street Journal recently ran an article indicating differences in perception of sexual harrassment on the job between men and women.
inverse probability based on normal distribution.the mean price of new homes from a sample of houses is 155000 with a
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