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If a point is randomly located in an interval (a, b) and if Y denotes the location of the point, then Y is assumed to have a uniform distribution over (a, b). A plant efficiency expert randomly selects a location along a 500 foot assembly line from which to observe the work habits of the workers on the line. what is the probability that the point she selects
a) within 25 feet of the end of the line ?b) within 25 feet of the beginning of the line ?c) closer to the begining of the line than to the end of the line?
Johnny Comlatey has 53% of votes among all voters in two-way race. Probability that newspaper's poll of 380 voters would forecast Johnny Comlatey's opponent the winner is?
Can we conclude that car size is dependent on marital status? YES or NO (circle one)
Point out your final decision concerning hypothesis test and compute p-value for test.
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
The McBurger restaurant chain claims that the waiting time of customers for service is normally distributed with a mean of 3 minutes and a standard deviation of 1 minute.
0.8 of all college students like the idea of a new curriculum. If we select 87 students (ASSUME INDEPENDENCE), what is the Standard Deviation of the Probability Distribution that would list the number of students.
Compute an F-statistic for each linear construct and determine its significance.
The manufacturer of a new line of ink jet printers would like to include as part of their advertising the number of pages a user can expect from a print cartridge.
A company has set a goal of developing a battery that lasts over 5 hours in continuous use in a sample of 42 of these batteries the mean life time was 306.25 hours with a standard deviation of 29.31
A candidate must gather at least 8,000 valid signatures on a petition before the deadline in order to run in an election. One candidate turns in 10,000 signatures right before the deadline
Political prisoners Mathew, Mark, and Luke are told that two of the three are to be executed. Matthew takes the jailer aside and says, "We both know that at least one of the others, Mark or Luke, will be executed
What is the purpose for post tests? To determine how much difference exists between the treatments.
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