In: Statistics and Probability
An education researcher claims that at most 8% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 9% are employed as teachers or teaching assistants. At alphaαequals=0.05, is there enough evidence to reject the researcher's claim?
1) Find the standardized test statistic z
z= ???
2) Reject or fail to reject the hypothesis and why???
Please explain all answers! Thank you!!