Question

according to a government commission, 70% of all nations households have VCRs. In a random sample of 15 households, what is the probability that at least 13 have VCRs? Round to four decimal places

According to a government co have VCRs? Round to four de O O 0 O 0.1268 0.7000 0.5000 0.8732

Answer 1

glet X: No of households having vers. Xubinin, b) n=15, p=0.7 >> P(X=x)=(($)(0.7)| (0.3)!5- P(x>13) = 3 ((0.95%0.3354 10.1268) Y=13