THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 46

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A sales representative has 425 accounts.From a random sample of 60 of these accounts,she found that the average yearly order was $1,250 with a standard deviation of $70.She also found that 28 out of 60 in the sample have placed an order in the last four weeks.
-Which of the following is an example of a nonprobabilistic sampling technique?

• A)simple random sampling
• B)stratified random sampling
• C)cluster sampling
• D)quota sampling

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Definitions:

Initial Antigen

The first exposure of the immune system to a foreign molecule or pathogen, triggering an immune response.

Primary Response

The initial response of the immune system to a new antigen, typically involving the activation and proliferation of specific lymphocytes.

Secondary Response

The immune system's enhanced reaction upon a second or subsequent encounter with an antigen, typically faster and more vigorous than the primary response.

Initial Antigen

The foreign substance or pathogen that triggers an immune response in the body, leading to the production of antibodies.