Answer:
The proportion of the sample that does not have a two-year or four-year college degree is 0.7355.
Step-by-step explanation:
Sample of 310 people.
186(only high school) + 42(only some college) did not have have a two-year or four-year college degree.
So
[tex]p = \frac{186+42}{310} = 0.7355[/tex]
The proportion of the sample that does not have a two-year or four-year college degree is 0.7355.