Find $$\left| A _ { 1 } \cup A _ { 2 } \cup A _ { 3 } \cup A _ { 4 } \right| \text { if each set } A _ { i }$$

question 21

Short Answer

Find $$\left| A _ { 1 } \cup A _ { 2 } \cup A _ { 3 } \cup A _ { 4 } \right| \text { if each set } A _ { i }$$ has 150 elements, each intersection of two sets has 80 elements, each intersection of three sets has 20 elements, and there are no elements in all four sets.

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Definitions:

Confidence Interval

An estimated range of values calculated from a given set of sample data, indicating the reliability of a statistical estimate.

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Assistance provided to users who are having issues with electronic devices, software, or services.

Confidence Interval

A range of values used in statistics that is likely to contain the population parameter of interest.