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The Neosho River originates in Kansas and flows into Oklahoma. Recorded mean-annual-flow Q data (in ) near the state border are:
Make an analysis of the data. Try the normal and lognormal models using probability paper and compare the χ2statistic likelihoods. Which model seems the most reasonable on a physical basis? A rule for allocating the use of the water between the two states is desired. Study the following rule using both probability models: A fixed level x0 for Kansas and an equal value on the average for Oklahoma (that is, 2x0 = mean flow). On the average, how often will Oklahoma have zero allocation under this rule?
Draw out and analyse descriptive statistics such as means, medians, ranges, deciles, etc to describe income and wealth distribution in Australia, and your ability to consider changes in wealth and income distribution over time
Assuming this rate continues, what is the probability that there will be no more than one crash in the next 50,000 flying hours?
find the profitability index (PI). Do you accept the project? Why or why not?
A widget inspector inspects 12 widgets and finds that exactly 3 are defective. Unfortunately, the widgets then get all mixed up and the inspector has to find.
In order to study the effects of pharmaceutical and chemical agents on mucociliary clearance, doctors often use the ciliary beat frequency (CBF) as an index of ciliary activity.
according to the behavioral risk factor surveillance system 58 of all americans adhere to a sedentary lifestyle.a. if
Suppose that you have 10 observations that have a mean of 7, a median of 6, and a standard deviation of 3. If you halve the value of each observation, what are the new values of the: Mean? Median? Standard deviation
Write the null and alternative hypotheses you would use to test the following situation.
Suppose the likelihood that any flight on Northwest Airlines arrives within 15 minutes of scheduled time is .90. We choose four flights from yesterday for study.
The number of votes cast in favor of a controversial proposition is believed to be approximately normally distributed with mean 8,000 and standard deviation.
if, indeed, the mean weight for new born elephant calves is 225 pounds with a standard deviation of 45 pounds, what is the probability of a newborn weighing at least 384 pounds?
What is the 'Equally-likely Outcomes Model of Probability?" What is the formula for this model of probability?
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