Sample standard deviation
A random sample of 2008 employed cars for sale on market has an average mileage of 71,420 miles with sample standard deviation of 9,470 miles. The z-score for a used car with 80,500 miles in this sample is ________.
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(a) Determine the probability that either exactly 4 ppl get out on floor 35 or exactly 4 ppl get out on floor 36 (inclusive OR)? (b) Determine the probability that the elevator stops on floors 11, 15, and 39?
Clearly show the model setup for this in excel. Describes steps necessary to use solver to determine how to minimize the cost of reducing pollution by the desired amounts.
Consumers turned to their mobile devices in growing numbers and increasing frequency during a given year. Text messaging led as the top mobile activity, with the 62% of American mobile subscribers texting that year. A polling firm contacts an SRS
Develop a table showing four possible value of the loss function. Mention the eight possible decision function. Discuss that three of the decision function aren't admissible
Assume the nightly rate for three-star hotel in Paris is thought to be bell-shaped and symmetrical with mean of 160 euros and standard deviation of 8 euros. The percentage of hotels with rates between 144 and 176 euros is.
Using normal approximation, what's the probability a randomly drawn sample of parents of size 600 will have a sample proportion between 67% and 73%? Draw a sketch of the probability curve
Determine the probability that somebody chosen at random has a birthday on the first day of a month? How does this probability change conditional on the knowledge that the person's birthday is in March?
Over the long period of time in large multinational corporation, 15% of all sales trainees are rated as outstanding, 75% are rated as excellent/good, 6% are rated as satisfactory, and 4% are considered unsatisfactory. Calculate the probability th
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Suppose that a group of researchers would like to explore how we perceive objects in the real world, rather than just in a laboratory
Based on information provided in Ch. 11 & 12, how do you define "being an adult"?
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
Bearing in mind that there may be several, choose a social, behavioral, or cultural factor associated with your selected domestic violence
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
In our readings, we learn more about the nature versus nurture argument. For this discussion, I want you to go in depth a bit more and debate the importance
Question: Identify a true statement about validity as applied to a test. Multiple choice question