Can someone help me please?

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.

Are these right ? plus what is the answer for number

Rory's battery was full at 6: 00 a.m, or t = 0. which times could rory's phone have been plugged into the charger? select three options.