Most teachers say that they do it to make sure the kids dont't forget what ws tought that day or to review
2 it’s two says the calculator
Answer: The p-value is 0.154.
Step-by-step explanation:
Since we have given that
We claim that
Null hypothesis :

Alternate hypothesis :

Population mean = 20 hours
Sample mean = 18.5 hours
Sample standard deviation = 4.3 hours
Sample size n = 35
So, test statistic would be

So, the p value would be 0.154.
Hence, the p-value is 0.154.
If the question was -20.48 divided by -4 then the answer is 5.12
Answer:
I'm pretty sure it is (a)