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A study of vehicle flow characteristics on acceleration lanes found that one out of every six vehicles uses less than 1/3 of the acceleration lane before merging into the traffic. Suppose we monitor the location of the merge for the next 5 cars that enter the acceleration lane.
a.)What is the probability that none of the vehicles will use less than 1/3 of the acceleration lanes?
b.)What is the probability that exactly 2 of the vehicles will use less than 1/3 of the acceleration lane?
The incarceration rate in one nation's prisons was 965 per 100,000 male residents, and 65 per 100,000 female residents.
Student A and B took different statistics classes and 2 different finals. Student A had a score of 83 out of 100 and ranked 72 in his class. Student b scored 85 out of 100 and he ranked in the 70 percentile of his class.
The trial failed to show significance. How many subjects would be required to detect the difference in proportions observed in the trial with 80% power?
What is the probability that only the first child will have cystic fibrosis? What is the probability that they will have 2 normal sons and 1 daughter with cystic fibrosis?
Review the Christian year pie chart and write a summary in which you (a) describe the significance of the holy days on the chart.
Compare and contrast random selection and random assignment. Be sure to include a discussion of when you would want to do one or the other and the possible consequences of failing to do random selection or random assignment in particular situation..
College students are a major target for advertisements for credit cards. At a university, 65% of students surveyed said they had opened a new credit card account within the past year.
A survey on the drinking habits of Americans estimated the percentage of adults across the country who drink beer, wine, or hard liquor at least occasionally. Of the 1516 adults interviewed, 985 said that they drank.
To develop 3-month and 2-month moving average for the time series.The following data represents demand for company ABC's products for the last 10 months.
The ideal number of children. "What do you think is the ideal number of children for a family to have?" A Gallup Poll asked this question of 1016 arbitrarily chosen adults. Almost half (49%) thought two children was idea suppose that p = 0.49 is e..
A behavioral research situation that could use a Pearson coefficient research study and a chi square research study. Present the rationale for each selection.
Locate the results of a recent survey in a newspaper, magazine, or Internet article. Outline the survey data so that your peers can understand the variables and results, and then identify at least one key formula from this Module that you could us..
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