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An aircraft has 211 seats. when someone buys a ticket for a flight, there is a .0741 probability that the person will not show up for the flight. A ticket agent accepts 233 reservations for a flight that uses that plane. Find the probability that not enough seats will be available. is this probability low enough so that overbooking is now a real concern?
Suppose Napoleon were using Bayes' theorm to revise his information. To do so, he would have had to make some judgements about P(Prussian and English Join forces |Napoleon Wins) and P(Prussian and English Join forces |Napoleon loses).
Discuss which analysis of variance should be applied when an experiment has more than one independent variable. Discuss the assumptions and limitations of the analysis of variance in comparison with the t test including a discussion of post hoc tests..
A researcher is analyzing a dataset to determine whether the independent variables predict students' reading level.
A consumer survey indicates that the average household spends m=$155 on groceries each week. The distribution of spending amounts is normal with a standard deviation of o=$25. Based on this distribution
The time required to do the job is normally distributed and has a mean time of 28 minutes with a standard deviation of 5 minutes. How much time should the employer allow employees to finish the job?
Distribution showing the advertising expenditures for 60 manufacturing companies located in the Southwest. Estimate the mean and the standard deviation of advertising expense.
Let X1,... x30 be independent Poisson random variables having mean 1. (a) Use Chebyshev's inequality to find a lower bound on the probability.
is the following a probability distribution? if not identify the requirement that is not satisfied.x px0 0.2291 0.1552
Use the following graph of a function f to determine x or y to the nearest integer as indicated. Some problems may have more than one answer.
Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following:
What is the confidence level? A sample of 45 eggs yields a mean of 1.37 ounces. Assume that the standard deviation is 0.53 ounces what is the margin of error at the 95% confidence level.
1.when using past data i have found that the proportion of items rejected by quality control personnel is about 3. we
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