Of a random sample of 381 high-quality investment equity options, 191 had less than 30% debt. Of

Question:

Of a random sample of 381 high-quality investment equity options, 191 had less than 30% debt. Of an independent random sample of 166 high-risk investment equity options, 145 had less than 30% debt. Test, against a two-sided alternative, the null hypothesis that the two population proportions are equal.