Please help! 5 questions. Medal and fan.

Question

anonymous · Answer

1.
 
Identify the type of sample used. 

A store employee surveys every 20th person who enters the store.
 
 A.
convenience
 
 B.
simple random
 
 C.
stratified random
 
 D.
systematic

anonymous · Answer

2.
 
Identify the type of sample used. 
 
A computer generates a random list of telephone numbers to call to survey people about telephone fees.
 
 A.
convenience
 
 B.
simple random
 
 C.
stratified random
 
 D.
systematic

anonymous · Answer

3.
 
An Internet company is only interested in the opinions of visitors to its website, so it will post the survey online for people to take if they are interested. 

What type of sampling strategy is the internet company using?
 
 A.
convenience
 
 B.
simple random
 
 C.
stratified random
 
 D.
systematic

anonymous · Answer

4.
 
The department of motor vehicles wants to determine the opinion of licensed drivers on highway improvements. 

Which sampling strategy is best suited for this purpose?
 
 A.
convenience
 
 B.
simple random
 
 C.
stratified random
 
 D.
systematic

anonymous · Answer

5.
 
The owner of a bicycle repair shop wants to know how his customers feel about the service they receive, so he asks each customer to fill out a survey about their experience. 

Which type of sampling strategy is the owner using?
 
 A.
convenience
 
 B.
simple random
 
 C.
stratified random
 
 D.
systematic