Question 3 1 pts Corporation X with 20,000 employees claims that 76% of its employees are very happy with their jobs. Their rival, Company Z, suspects that they are lying and wants to see if the proportion of happy employees at corporation X is really less than 76%. They take an srs of 50 employees and 80% say they are very happy with their jobs. alpha = 5% What allows us to assume Independence? The sample being an srs The fact that 40 and 10 are both = 10 The fact that 38 and 12 are both 2 10 O The population being more than 10 times the sample size