Answer:
Null hypothesis: u = 8.8 liters
Alternative hypothesis: u < 8.8 liters
Step-by-step explanation:
The null hypothesis is always opposite to Tue alternative hypothesis and is the default hypothesis.
In this case study, the null hypothesis is that the average American consumes 8.8 liters of alcohol per year: u = 8.8
The alternative hypothesis is that does the average American consumes less than 8.8 liters of alcohol per year: u < 8.8 liters
Answer:
5 units
Step-by-step explanation:
By Pythagoras theorem:

Answer:
350
Step-by-step explanation:
Let the number of adult tickets be x, then the number of student tickets sold would be (x–54).
We now have
x+(x–54)=646
2x=700
x=350
Therefore, 350 adult tickets were sold.
Answer:
1
Step-by-step explanation:
There is no lcm other than 1 between these 3 numbers
5 factors: 1, 5
10 factors: 10,1,5,2
16 factors:16,1,4,4,8,2
All of these have the number one in common, hence the answer