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Question: The train. To get to work, a commuter must cross train tracks. The time the train arrives varies slightly from day to day, but the commuter estimates he'll get stopped on about 15% of work days. During a certain 5-day work week, what is the probability that he
a) gets stopped on Monday and again on Tuesday?
b) gets stopped for the first time on Thursday?
c) gets stopped every day?
d) gets stopped at least once during the week?
The opportunity to apply ethical theories to the complex issue of ageism
What is the probability that two customers in front of an arriving customer will each take less than 90 seconds to complete their transactions?
For the new study, the estimate should be within 1% of the population proportion with a 90 percent confidence level. What is the necessary sample size?
Your client has $50,000 to invest and you plan to invest 60% in the security with the highest expected return. What would be the characteristics of this portfolio be (E(R),S)?
Plot the data in a scatterplot and comment on the relationship between price and airflow. Compute the correlation coefficient for this data set. Is there a strong or weak relationship between price and airflow of the fans?
Test the company's advertised claim that the net weight of a bar is 58.7 grams by performing a t test on the following data, which are in grams. Find d. Write a conclusion about Snickers bars.
Test the claim that the mean weight loss is greater than 0. Based on these results does the diet appear to be effective. Does the diet appear to have practical significance.
Most undergraduate business students will not go on to become actual practitioners of statistical research and analysis. Considering this fact, why should such individuals bother to become familiar with business statistics?
The Hillcrest Golf and Country Club manager selected a random sample of the members and recorded the number of rounds of golf they played last season.
the random walk theory of prices of securities states that price movements in disjoint time periods are independent of
?Research news sources (articles, newspapers, Internet, etc) and find an example of a public complaint against a police department.
Let X1,..., Xn be a random sample from a two-parameter exponential population with density 1 f (x, θ, υ) = θ e-(x-υ) θ , for x ≥ υ, θ > 0. Find MLEs for θ and υ when both are unknown.
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