\fPart 4 of 6 (d) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.30 and 0.40. The probability that the proportion of the sampled teenagers who own a smartphone is between 0.30 and 0.40 is X 5 Part: 4 / 6 Part 5 of 6 (e) Find the probability that less than 40% of sampled teenagers own smartphones. The probability that less than 40% of sampled teenagers own smartphones is X 5 Part: 5 / 6 Part 6 of 6 (f) Would it be unusual if less than 25% of the sampled teenagers owned smartphones? It (Choose one) be unusual if less than 23% of the sampled teenagers owned smartphones, since the probability is. would would not