Please explain

(e) Find the probability that less than 45% of sampled teenagers own smartphones. The probability that less than 45% of sampled teenagers own smartphones is .9429 Correct Answer: 0.8731 Part: 5 / 6 Part 6 of 6 (f) Would it be unusual if less than 32% of the sampled teenagers owned smartphones? It (Choose one) v be unusual if less than 32% of the sampled teenagers owned smartphones, since the probability is