I don’t know brotherrrr sprru
Answer:
They can choose the 2 volunteers in 28 different ways
Step-by-step explanation:
Well, as the research group has to choose 2 volunteers out of 8, this means that it doesn't matter the order in which they choose them as long as they are two.
In statistics this is considered a counting technique and is called combination.
The combination formula is:
where
is the set of elements
and
is the number of elements taken from n
Then and
We replace in the combination formula:
<em><u>This result means that Medical research group can choose the 2 volunteers in 28 different ways</u></em>
Answer:
[-1,5]
Step-by-step explanation:
all reals between -1 and 5