What is the p-value of the test and the number of degrees of freedom? O 0.01 0.2, df= 5 O 0.0179 23 Total 165 What is your decision at 5% level of significance? 0 Fail to reject H0 since p value 0.05 O Reject HA since 1) value 0.05 Previous Page Next Page Page 4 0f 4 People of all age groups can be infected by COVlD-19. Data were collected from laboratory confirmed COVID-19 cases in Kalamazoo County (as of 3:00 PM April 19, 2020) and are presented below. We are interested in testing (at 5% level of significance) whether the percentage of at least one age group differs significantly from the others. Age Group Cases 0-19 8 20-29 24 30-39 30 40-49 27 50-59 19 60-69 20 70-79 14 >79 23 Total 165