Answer:
The null and alternative hypothesis is
and
respectively.
Step-by-step explanation:
Consider the provided information.
If there is no statistical significance in the test then it is know as the null which is denoted by
, otherwise it is known as alternative hypothesis which denoted by
.
Consider the statement:
Test to see whether the mean tree planting time differ from two hours.
The null hypothesis is: 
Therefore, the alternative hypothesis is: 
Thus, the null and alternative hypothesis is
and
respectively.
Below is the answer:
Any rectangle with a side against y-axis can be rotated about y-axis to create a cylinder.
<span>The other 3 coordinates will be (a, 3), (a, b), (0, b) </span>
<span>This will be a cylinder of radius a and height |3−b|</span>
Answer:
Same back to you
Step-by-step explanation:
I hope you smile today and don't let corona stop you from anything