Answer:
The mean number of the children is 1.2
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Step-by-step explanation:
Given
Children: 0, 1, 2, 1, 2
Required
Determine the Mean number
The mean of a set is calculated as follows;

Where x is the given set and n is the number of sets
In this case, n = 5 children
Hence;



<em>Hence, the mean number of the children is 1.2</em>
Answer:
9=x
Step-by-step explanation:
Answer: 4%
Step-by-step explanation: 50 x 2 = 100
2x2=4 4/100 or 4%
70% all you have to do is divide the 14 by 20
Distance = speed x time
2.257 x 9.111 = 20.563527 or 20