$2100/$30000 * 100% = 7%
The commission percentage is the commission amount divided by the sale amount, expressed as a percentage.
Answer: Null hypothesis : 
Alternative hypothesis : 
Step-by-step explanation:
Let
be the proportion of women using supplements and
be the proportion of women who did not to have died during that period .
Then the set of hypothesis for testing if the proportion of women elderly women who use dietary supplements is different than those who do not will be :-
Null hypothesis :
[∵ it takes equality sign]
Alternative hypothesis :
[∵ it takes ≠ sign to show difference]
Answer:
4k+11=4011
Step-by-step explanation:
7k - 3k=4k
4k+11=4011