the newest Iphone is here and they claim that this new battery will last longer than their other batteries that have been on the market. the new iPhone battery follows a normal distribution with an average life span of 32 months with a standard deviation of 8 months. their old battery life also follows a normal distribution with an average life span of 28 months with a standard deviation of 5 months. in a sample of 25 new iPhones and 30 old iPhones. in your your samples, if the average battery life of the old iPhone is larger than the average battery life of the new iPhone, would you suspect the company's claim is incorrect? Justify and explain