C) Using alpha level of 0.01, find the critical value

D) what is the value of the obtained test statistic

E) What can you conclude about my friends claim

A friend of mine who works at Colorado State University (CSU) claimed that CSU students are more likely than CU-Boulder students to skip class on powder days (i.e., days following an amazing snowfall in the mountains). Last year, we tracked attendance in our classes across two weeks and counted the number of absent students that occurred on powder days. We compare our data in the table below: Skipped Class CU Boulder (CU) Colorado State University (CSU) Yes 34 28 No 140 80