Question

A marketing research consultant hired by Coca-Soda is interested in determining if the proportion of customers who prefer Coca-Soda to other brands is at least 60%. The correct set of hypotheses to test this is

Answer 1

Solution:

Given:

if the proportion of customers who prefer Coca-Soda to other brands is at least 60%.

That is we have to test if

Null hypothesis is always = type or or type

Alternative hypothesis is either < type or > type or type.

Thus hypothesis are

vs