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kdkrenik kdkrenik
wrote...
Posts: 354
Rep: 1 0
6 years ago
Find the z-score having area 0.86 to its right under the standard normal curve; that is, find z 0.86 .
 
  A) -1.08 B) 1.08 C) 0.8051 D) 0.5557

Q. 2

The mean monthly gasoline bill for one household is greater than 120. If a hypothesis test is performed, how should you interpret a decision that fails to reject the null hypothesis?
 
  A) There is not sufficient evidence to support the claim  > 120.
  B) There is sufficient evidence to reject the claim  > 120.
  C) There is not sufficient evidence to reject the claim  > 120.
  D) There is sufficient evidence to support the claim  > 120.

Q. 3

To avoid working late, the plant foreman inspects the first 20 microwaves produced that day. What sampling technique was used?
 
  A) convenience
  B) simple random
  C) cluster
  D) stratified
  E) systematic

Q. 4

The mean monthly gasoline bill for one household is greater than 120. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?
 
  A) There is sufficient evidence to support the claim  > 120.
  B) There is sufficient evidence to reject the claim  > 120.
  C) There is not sufficient evidence to reject the claim  > 120.
  D) There is not sufficient evidence to support the claim  > 120.

Q. 5

A market researcher randomly selects 200 homeowners under 65 years of age and 200 homeowners over 65 years of age. What sampling technique was used?
 
  A) stratified
  B) simple random
  C) cluster
  D) convenience
  E) systematic

Q. 6

A sample consists of every 30th worker from a group of 1000 workers. What sampling technique was used?
 
  A) systematic
  B) simple random
  C) cluster
  D) stratified
  E) convenience

Q. 7

Sixty-five percent of men consider themselves knowledgeable soccer fans. If 13 men are randomly selected, find the probability that exactly five of them will consider themselves knowledgeable fans.
 
  A) 0.034 B) 0.215 C) 0.65 D) 0.385

Q. 8

The mean age of judges in Dallas is greater than 58.8 years. If a hypothesis test is performed, how should you interpret a decision that fails to reject the null hypothesis?
 
  A) There is not sufficient evidence to support the claim  > 58.8.
  B) There is sufficient evidence to reject the claim  > 58.8.
  C) There is not sufficient evidence to reject the claim  > 58.8.
  D) There is sufficient evidence to support the claim  > 58.8.
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Replies
wrote...
6 years ago
Answer to #1

A

Answer to #2

A

Answer to #3

A

Answer to #4

A

Answer to #5

A

Answer to #6

A

Answer to #7

A

Answer to #8

A
kdkrenik Author
wrote...
6 years ago
Ready for finals now Monkey
wrote...
6 years ago
Good luck my friend!
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