Question: Traditionally in hypothesis testing, the null hypothesis represents the status quo which will be overturned only if there is evidence against it. Which of the

Traditionally in hypothesis testing, the null hypothesis represents the "status quo" which will be overturned only if there is evidence against it. Which of the statements below might represent a null hypothesis?

A. The new ad campaign reduced sales.

B. The ad campaign did not change sales.

C. The defendant is guilty.

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