35 1 point A survey among teenagers found that people keep their cell phone an average of 1.55 years before buying a new one. Assume that the lengths of time people keep their phone are normally distributed with a standard deviation of 0.24 years. What is the probability a randomly selected teenager will keep their cell phone for less than one year before buying a new one? O 0.9890 O 0.1587 O 0.0110 O 0.4090 Previous Ne