Question

A poll showed that 48 out of 120 randomly chosen graduates of California medical schools last year intended to specialize in family practice. What is the margin of error for a 90 percent confidence interval for the proportion that plan to specialize in family practice?

Answer 1

Answer:

+-4.8

Step-by-step explanation:

4.8 is 10% of 48, so it can up or down by that much.