A survey indicated that 65% of the families in an area have cars. Find, correct to three decimal places, the probability that among 7 families selected at r...
Question 1 Report
A survey indicated that 65% of the families in an area have cars. Find, correct to three decimal places, the probability that among 7 families selected at random in the area
(a) exactly 5 ;
(b) 3 or 4 ;
(c) at most 2 of them have cars.
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