This is a tricky question on my statistics subject especifically on common probability distributions.

4. Zia Intends to buyr a brand new phone with battery life that will last for more than 5 hours for her mother. Most of her friends recommend the roam phone which is known to have a normally distributed battery life (in minutes} with mean see minutes and standard deviation 25 minutes. If she will buy one iccir phone. whet Is the probability that Its battery life is more than 6 hours? Should she proceed in buying a phone from this brand? (5 polnts)