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:
5740
Step-by-step explanation:
Answer: 15
Step-by-step explanation:
Answer: 50%
Step-by-step explanation:
hope this helps !
Answer:
2*12
3*8
4*6
6*4
8*3
Step-by-step explanation: