Answer: no solution
Step-by-step explanation: i really don’t know how to explain these ones, that’s definitely one of my weaknesses, i’m sorry :-(
Answer:
c
Step-by-step explanation:
Aight, let's hop to it:
So we got

and boom
Answer:
Null hypothesis; H0: µ ≥ 52 mpg
Alternative hypothesis; Ha: µ < 52 mpg
Step-by-step explanation:
We are told that the newest model gets an average of 52 miles per gallon and that the buyers believe that the average mpg was overstated.
This means the alternative hypothesis will have an average less than 52. Thus;
Null hypothesis; H0: µ ≥ 52 mpg
Alternative hypothesis; Ha: µ < 52 mpg
I think the answer is A, I could be wrong though