The dataset decemberflights contains the difference between actual and scheduled arrival time from 1000 randomly sampled december flights for two of the major north american airlines delta air lines and united air lines. a negative difference indicates a flight arrived early. suppose that we are only interested in the proportion of flights arriving more than 30 minutes after the scheduled time. of the 00 delta flights, 67 arrived more than 0 minutes late, and of the o united lights, an e more a minutes at e are testing to see if is provide evidence to conclude that the proportion of flights that are over 30 minutes late is different between flying united or delta. let group 1 be delta flights and group 2 be united flights click here for the dataset associated with this question. click here to access statkey (a) state the null and alternative hypotheses. p2rho click here to start 10 (b) what statistic will be recorded for each of the simulated samples to create the randomization distribution? p2 p click here to start (c) what is the value of that statistic for the observed sample? round your answer to three decimal places. observed statistic the absolute tolerance is +/-0.003