A student reads a headline claiming " 20 20% of college students in the United States have student loans." She believes the percentage of students in the United States who have student loans is much higher. She polls 15 15 of her friends and asks them "Do you have student loans?" She wants to prove at the 1 1% significance level that the percentage of students in the United States who have student loans is higher than 20 20%. (a) State the null and alternative hypotheses. 0 : H 0 : : H A : > 0.20 p>0.20 < 0.20 p<0.20 0.20 p =0.20 (b) Are the conditions of the one-sample z-test for proportions met