Question 21 3 pts A professor claimed that a majority (more than 50%) of her students believe in ghosts. To test her claim she polled 250 students. Of those polled 145 said yes, they believe in ghosts. With a significance level of =0.05 do these results support her claim? What is the test statistic for this test? (2 decimal places) Type in a number only, not t = or z = Previous Next > Co