Project #44650 - statistics

golfer: tom: 200    dave: 150     Marvin: 210    Ron: 190      Bob: 175

 

how many samples of size three can be taken from the population of five players? 

List all the possible samples of size three from the population of players and calculate each samples mean. 

compute the mean of the sample means and compare it to the population mean. 

compute the population standard deviation. 

calculate the standard error of the sample mean. Would the finite-population correction factor have to be used in the calculation? 

 

 

Tripp Cromer, president of Neverstop travel claims that 40 percent of the company's customers have taken at least one trip to las vegas. Tom Cruise, a veteran agent, suggests that Cromer's claim is too low. The firm surveys 200 customers and finds that 84 have been to las vegas. Test the claim at a 5 percent level of significance. 

1. what are the null and alternate hypotheses? 

2. What test distribution should be employed by the statistacian? 

3. what is the critical value? 

4. What is the value of the test statistic: 

5. what decisions should be made about the null hypothesis? 

Subject Mathematics
Due By (Pacific Time) 10/22/2014 11:00 pm
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