Multiple Choice
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 width of a 90 percent confidence interval for the proportion that plan to specialize in family practice?
A) ± .0447
B) ± .0736
C) ± .0876
D) ± .0894
Correct Answer:
Verified
Correct Answer:
Verified
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