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An airline company sells 160 tickets for a plane with 150 seats, knowing that the probability that a passenger will not show up for the flight is .1. use the poisson approximation to compute the probability that they will have enough seats for all the passengers who show up
Comparison of paired and unpaired samples test - Identify which of the two tests (Independent samples and Paired samples) test is the preferred test and justify your choice.
Construct a confidence interval for a level of confidence equal to 95%, we use z values that leave out, in the lower and the upper tails of the normal distribution, an area equal to?
Apply Scheduling Theory in order to optimize a schedule of events and reduce lost productivity
It could not do anything with the airport and suffer a loss of revenue. The current value of raised revenue from a new airport is in question.
To determine whether this difference is significant, you collect data on the seating preferences for the students in your class. A researcher hypothesizes that individuals who listen to classical music will score differently from the general popula..
question 1. in an article a random sample of 42 felons convicted of impulsive murder was compared to a random sample of
Determine her weighted mean grade? What letter grade did she earn? (A, B, C, D or F).
A random sample of 85 group leaders, supervisors, and similar personnel at General Motors revealed that, on the average, they spent 6.5 years on the job before being promoted.
Construct a 95 percent confidence interval for the true mean.
What kind of correlation do you expect to find between annual income and amount spent on car? Will it be positive or negative?
What is the probability of obtaining a sample mean greater than M=105, for a random sample of n=9 people? For a random sample of n=36 people?
What is the 90% confidence interval estimate of the difference between the two population means? How do the results compare in all the three approaches to hypothesis testing?
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