Answer:
how did what?
Step-by-step explanation:
Answer:
there is no picture so it is impossible to answer
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
As the mean is 20.2 and the standard deviation is 2.4
The range within the first standard deviation is
(17.8,22.6)
This means that we can safely use the range of (18,22) as we cannot confirm whether the other values fall within the range.
Within this range there are

Answer:
im lost good luck
Step-by-step explanation: