A quality expert inspects 420 items to test whether the population proportion of defectives exceeds .03, using a right-tailed test at a= .02. (a) What is the null hypothesis for this test?
1) H0: p = 0.03
2) H0: p > 0.03
3) H0: p < 0.03
4) H0: p ≠ 0.03
