A political scientist want to test if the vote on a House bi

A political scientist want to test if the vote on a House bill is non partisan (that is, independent of a party affiliation). He obtains the following data:

                        For                  Against

Republican      35                    15

Democrat        25                    25

Test at = 0.05

Solution

Probability = ( 15+25 ) / ( 35 +25 +15 +25) = 0.4

P > 0.05

Therefore, the vote on a House bill is may or may not be non partisan .