If the width of the rectangle increases by 4 and the length decreases by 3, by how much will the area change? Express the differ
ence as a simplified expression (View attachment)
1 answer:
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Answer:
Step-by-step explanation:
Given
Let p represents the proportion of those who worry about identity theft;
Required
Mean of those who do not worry about identity theft
First, the proportion of those who do not worry, has to be calculated;
Represent this with q
In probability;
Make q the subject of formula
Substitute
Convert percentage to fraction
Now, the mean can be calculated using:
Where n represents the population
(Approximated)