five state officials are listed. 1 Governor (G) 2 Lietuenant Governor (L) 3 Secretary of State (S) 4 Representative (R) 5 Press secretary (P) List 10 possible samples without replaceent of size 2 that can be obtained from the population of five officials. If as simple random sampling procedure is usedto obtain a sample of two officials, what are the chances that it is the first sample on your list in part (a)? the second sample? the tenth sample? List all 10 possible samples without replacement of size 2. Use the letter abbreviation for each official.

Wal-Mart wants to introduce a new subscription service (called Plum) that would result in customers getting free two-day delivery. Wal-Mart introduces Wal-Mart Plum to a random sample of 99 customers. You are hired by Wal-Mart to analyze if the introduction of Plum andtwo-day delivery increases sales for Wal-Mart. You find that the 99 random customers that were offered Plum Two Day Delivery spent $2,500 per year on Wal-Mart with a sample standard deviation of $500 in sales. (A) Test whether the sales of Wal-Mart Plum are statistically different from zero at an alpha of 1% (99% confidence level). Set up your null and alternative hypotheses. Test at the 1% level of significance. Show your test and critical statistics. Are the sales for Two-Hour Plum Delivery statistically different from 0? Interpret your answer. Show your work   (B) Suppose the typical Wal-Mart consumer spends $2000 a year. Test whether the introductionof Wal-Mart Plum Delivery increased sales. Set up your null and…

Suppose you are the president of the student government. You wish to conduct a survey to determine the student​ body's opinion regarding student services. The administration provides you with a list of the names and phone numbers of the 707 registered students.   ​(a) Discuss a procedure you could follow to obtain a simple random sample of 5 students.

Suppose you are the president of the student government. You wish to conduct a survey to determine the student body's opinion regarding student services. The administration provides you with a list of the names and phone numbers of 5,412 registered student. Discuss the procedure you would follow to obtain a systematic random sample of 100 students.