Chapter 11 Data Analysis and Statistics - 11.4 Select and Draw Conclusions from Samples - 11.4 Exercises - Problem Solving - Page 771: 29

See below

Based on the data, it is not clear that Kosta will win since there is still a potential that support for Kosta will fall within the 49 percent – 59 percent range and support for Murdock will fall between the 41 percent – 51 percent range with a $\pm 5$ percent margin of error.