A City Ordinance Requires That More Than 75% of Its

Multiple Choice

A city ordinance requires that more than 75% of its residents must agree to the construction of new public buildings (using tax dollars) before any such structures can be built. A proposal has been made to build a new recreational facility in the city, and sponsors of the proposal want to conduct a small survey to see if it would be approved if put to an official vote of all residents. A simple random sample of 150 residents revealed that 123 supported a change (and 27 did not) .
What is the value of the standardized test statistic for this significance test?

A) -2.23.
B) 1.98.
C) 2.23.
D) 2.97.