it is widely believed that 42 of all students have a part time job. you feel its more than that. you take a sample of 325 students from the population and find that 156 of those students are working part time. conduct a hypothesis test.

What is the obtained sample proportion?

Assuming the null is true, what is the standard error of the sampling distribution?

Assuming the null is true what is the probability of getting a sample proportion as extreme as we did?

Based on your sample, if we repeated this sampling procedure an infinite number of times, 95% of the sample proportion would be between which of the following two numbers?