Activity Z Has Estimates a = 5,b = 10,m =

question 8

Multiple Choice

Activity Z has estimates a = 5,b = 10,m = 7;activity X has estimates a = 4,b = 11,m = 6;and activity Y has estimates a = 3,b = 12,m = 8.Which of the following statements is best?

• A)Activity X is longer than Activity Y.
• B)Activity X has a higher standard deviation than Activity Z.
• C)Activity Z is shorter than Activity Y.
• D)Activity Y has a smaller variance than Activity Z.

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Definitions:

Milton Friedman

An American economist and Nobel laureate who is best known for his strong belief in free-market capitalism and the minimal role of government in the economy.

Adam Smith

A Scottish economist and philosopher, best known for his influential works on capitalism and the concept of the "invisible hand" guiding economic markets.

Archie Carroll

A scholar known for his work on corporate social responsibility (CSR), particularly for introducing the pyramid model of CSR.

Environmental Groups

Organizations focused on advocating for the protection and preservation of the environment and promoting sustainability.