a) State in plain language the null and alternative hypotheses for this test. (b) Calculate the expected cell counts for this dataset if the null hypothesis were true. Infection No Infection Received one vaccine shot Unvaccinated (c) Calculate the 1 test statistic for this dataset. d For degrees of freedom of 1. a value of 12.12 corresponds to a p-value of 0.0005. Based on this. what do you conclude about the original null hypothesis