Answer:
3432
Step-by-step explanation:
Total bands = 14
Bands played = 7
The possible lineups can be calculated using Combination.
So, the possible lineups are 14C7
=> 
=> 3432
The first 1 is 6000 the second one is 2000.
I believe that it deals with standard deviations you need to look at a graph of the standard deviation.
Answer:
16
Step-by-step explanation:
8+8