it is 2/3 that sthe correct answer hoped ot helped u
Answer:
The null hypothesis 
The alternative hypothesis 
Step-by-step explanation:
From the question we are told that
The population mean is 
Generally
The null hypothesis is that the company's new sedan, the Libra, will have an average of 
This mathematically represented as
The null hypothesis 
The alternative hypothesis is that the company's new sedan, the Libra, will have an average better than 
This mathematically represented as
The alternative hypothesis 
For a you need to do (10 times 13) plus (10 times 7) because there's two boxes one is shaded.
For b you need to do (7.5 times 20) plus (2.5 times 20)
Answer:
It will take them 1.4 hours.
Step-by-step explanation:
65 + 85 = 150
200 divided by 150 = 1.4