_...yu. .v. (e) Find the probability that less than 85% of sampled teenagers own smartphones. The probability that less than 85% of sampled teenagers own smartphones is 0.9761 . (f) Would it be unusual if less than 75% of the sampled teenagers owned smartphones? It (Choose one) V be unusual if less than 75% of the sampled teenagers owned smartphones, since the probability is E]. Smartphones: A poll agency reports that 80% of teenagers aged 12-17 own smartphones. A random samplwf 25! teenagers is drawn. Round your answers to at least four decimal places as needed. (a) Find the mean \"A. P P