A random sample of 500 people living in a town that experienced a pertussis outbreak this year were divided into two groups. Group 1 was made up of 132 individuals who had not had the TDaP booster in the past 8 years, and Group 2 consisted of 368 individuals who had. In Group 1, 15 individuals caught pertussis during the outbreak, and in Group 2, 11 individuals caught pertussis. Is there any evidence to suggest that the proportion of individuals who caught pertussis and were not up to date on their booster shot is higher than those that were?

Test at the 0.05 level of significance.

Enter the P-Value - round to 4 decimal places.

p-value =

Explain your answer.