I'm a little bit confused here. If we assume the population proportion is 0.80 (assuming the null hypothesis is true) and currently the sample proportion is 0.73, shouldn't we look to the more extreme situation where the sample proportion is less than 0.73?
I'm a little bit confused here. If we assume the population proportion is 0.80 (assuming the null hypothesis is true) and currently the sample proportion is 0.73, shouldn't we look to the more extreme situation where the sample proportion is less than 0.73?