Use the quadratic formula to find all the zeros. 
Definitions:
Probability Estimate
A numerical measure indicating the likelihood of a specific event happening.
Standard Deviation
An assessment of the range of variation or the breadth of dispersion of data points.
Homeowners
Individuals or entities who own and usually reside in a dwelling such as a house or apartment.
Normal Distribution
A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
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