A Company That Has a 10% Market Share Launches a Marketing

Multiple Choice

A company that has a 10% market share launches a marketing campaign. At the end of the campaign period, the company conducts a survey in order to assess whether its
Market share has increased. The result of the survey issued to 500 customers was 12.5%.
What is the associated p-value?

A) 0.0314
B) 0.1256
C) 0.0628
D) 0.0066
E) None of the above