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Rework problem 29 from section 3.5 of your text about the professor who sometimes forgets to bring her briefcase to the office, but assume that, each day, the probability that she forgets the briefcase is 1/8. Assume that her forgetting is a Bernoulli process.
1. What is the probability that she remembers to bring her briefcase every day in one week (5 days)?
2. What is the probability that she forgets to bring her briefcase every day in one week (5 days)?
3. What is the probability that she forgets to bring her briefcase at least one day in one week (5 days)?
A particular district of your nation had a higher incidence rate for polio last year compared to the rest of the country. That region has been traditionally been resistant to vaccination efforts. You have commissioned a case-control study for the vil..
Find the 96th percentile of the distribution of reaction time (at least approximately). That is, find the value such that about 96% of the distribution is below this point - Find the probability the reaction time is 500 or less.
In a sample of n = 15 selected from an underlying normal distribution, we obtain standard deviation s =10. Test the null hypothesis that the population standard deviation σ = 16.
In your OWN words describe the multiple regression model in statistics. state any references if used.
What does it mean for a sample to have a standard deviation of 0? Describe the scores in such a sample.
Which of the approaches will you be most inclined to choose and why?
Utilizing the Post-First feature. You will not be able to see your classmates' posts until after you have made your own post. This is intentional. You must use your own work for answers to questions 1-5. If something happens that leads you to want to..
The following data represents the grades of a sample of 12 students in statistics and economics as follows Math grade A C B B D B F F D C B C Economic Grade B F ..
A random sample frm a population with mean and std dev produced the following sample info: n=110 x=699 s=20.4 given xbar = 699 1. find the 95% confidence interval fr the mean u and interpret the resulting interval. 2. find the 99% confidence interv..
A randon sample of monthly gasoline bills for a company's 15 sales persons are:$216-254-247-257-231-265-221-226-228-252-235-265-272-285-266. what is the mean? what is the median? what is the value of quartile 3? what is the value of the mode? the ran..
What differentiates the two formulas Σ (x - xbar)^2/n-1 from Σ (x - µ)^2/n, and why the difference?
A survey of 50 lobster fishermen on Funafuti (an island in Tuvalu), found that they catch an average of 32 pounds of lobster per day with a standard deviation of four pounds.a) If a fisherman is selected randomly, what is the probability that hi..
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