Answer:
The correct set of hypotheses is
[tex]H_{0}[/tex]: d=80 degrees
[tex]H_{0}[/tex]: d>80 degrees
Step-by-step explanation:
The weatherman claims that the average temperature during July in Chattanooga is 80 degrees or less. To test this claim, following hypotheses need to be taken:
Let d be the the average temperature during July in Chattanooga, then
[tex]H_{0}[/tex]: d=80 degrees
[tex]H_{0}[/tex]: d>80 degrees