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Your task is to interview a representative sample of attendees to a large concert.
The schedule includes 200 live concerts featuring all types of entertainers. Since neither the number of attendees nor their descriptive characteristics are known in advance, you decide on non-probability sampling.
Based on prior data, you can calculate the number of tickets that will be available for each of the 200 concerts and the number of possible attendees for each concert.
Attendance data from the past two years gives you gender data on the attendees.
1. How would you conduct a reliable non-probability sample?
2 How will you mitigate your conclusions given that the sample was not selected randomly?
Can the company conclude that the mean kilo of product treated in one hour by this machine is more than 15,000? Use a 5% level of significance.
Measure of average you might be inclined to report and in what sense each value can be considerd typical. (A) as vice president responsible for collective burgaining.(B) as the president the employee burgaining unit.
30 in Canada, and 6 in the United State. At level of significance 0.05, test whether the distribution of sales has changed from last year.
In November 2009, 65% (0.65) of Americans favored the death penalty for a person convicted of murder. In November 2010, 1025 adult Americans were asked by the Gallup organization,
Lenght Of Pregnancy. A woman wrote to Dear Abby and claimed that she gave birth 309 days after a visit from her hushand , who was in the Navy. Lengths of pegnancies have a mean of 268 days and a standard deviation of 15 days. Find the z score for 308..
At a particular location on a river the number of fish caught per man-hour of fishing effort has a Poisson distribution with ?= 1.3 fish per man hour. Find the following probabilities:
In the simplest way possible can some one provide me with the steps to find the square root of a number like 11.0554 that is not a perfect square.
the number of customers arriving per hour at a certain automobile service facility is assumed to follow a poisson
Joe is considering pursuing an MBA degree. He has applied to two different universities. The acceptance rate for applicants with similar qualifications is 25% for University A and 40% for University B.
Sample of 36 packages reveals mean weight to be 3.01 pounds, with standard deviation of 0.03 pounds. What is the estimated population mean?
Indicate at which point flat-of-curve medicine is experienced in the following example (imagine that antibiotics have been prescribed for a given population of 1,000 elderly persons).
Calculate a 95 percent confidence interval for the mean percentage share of billing volume from network television for the population of all US advertising agencies.
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