For items 9 to 13, refer to the given situation: Hauz of Gaz claims that more than two-thirds of the houses in a certain subdivision use their brand. Is there a reason to doubt this claim if 25 out of...

What is the test Statistics? Of the problem in the picture

Extracted text: For items 9 to 13, refer to the given situation: Hauz of Gaz claims that more than two-thirds of the houses in a certain subdivision use their brand. Is there a reason to doubt this claim if 25 out of a random sample of 40 houses in the subdivision use the company's brand? Test the claim at 0.01 level of significance.