Question

7. Thirty years after Dr. Martin Luther King, Jr.’s historic march on Washington, there is still
this question “Do minorities generally get equal justice in the country today or is getting equal justice still a major problem for minorities”
A researcher interested in this question, decides to do a random national poll. 892 whites and 111 blacks answer this question. Of the 892 whites, 446 thought getting equal justice is still a major problem for minorities while of the 111 blacks, 96 thought getting equal justice is still a major problem for minorities. Define the parameters. Find and give a meaningful interpretation of a 95% confidence interval for the difference in proportion between all whites and all blacks who think that getting equal justice is still a major problem for minorities. Is it plausible that there is no difference in the proportion between all whites and all blacks who think that getting equal justice
is still a major problem for minorities? Explain why or why not. Show all the steps to receive full credit.

Answer 1