Answer:
Step-by-step explanation:
Given
Time: 44.64,43.45,42.79 and 42.28
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Required
Determine the average time
Average or mean is calculated as thus;
Where
= sum of observation
n = number of observation = 4
<em>Hence, the average time is 43.29</em>
Answer: f^-1(n)= -n-3
Answer: 60 pounds
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