Can someone help me solve this, it'll be a great help! Thank you so much! Godbless!

Problem A In a photographic process, the developing time of prints may be looked upon as a random variable having a normal distribution with a mean of 15.83 seconds and a standard deviation of 0.18 seconds. Find the probabilities that the time required to develop a print is: Find the probabilities that the time required to develop a print is at most 15.5 seconds. * Your answer Find the probabilities that the time required to develop a print is between 15.5 and 16 seconds. * Your answer Find the probabilities that the time required to develop a print is at least 16 seconds. * Your answer Find the probabilities that the time required to develop a print is between 15.45 and 15.55 seconds