Question

Twelve jurors are randomly selected from a population of 4 million residents. Of these 4 million residents, it is known that 48% are of a minority race. Of the 12 jurors selected, 2 are minorities. 

(a) What proportion of the jury described is from a minority race? 

(b) If 12 jurors are randomly selected from a population where 48% are minorities, what is the probability that 2 or fewer jurors will be minorities? 

(c) What might the lawyer of a defendant from this minority race argue? 

(a) The proportion of the jury described that is from a minority race is _______ . (Round to two decimal places as needed.)

Answer 1

Answer:-

(a) 0.16

(b) 0.03 ( rounded to two decimal place)

(c) out of 4 million population, 48% are minority race . But only 2 are selected from minority even through they counted as major population part . So it is abnormal.

Solution :-