Raj wants to improve his fitness, so every day he goes for a run. The times, in minutes, of his runs have a normal distribution with mean 41.2 and standard deviation 3.6.

(a) Find the probability that on a randomly chosen day Raj runs for more than 43.2 minutes.

(b) Find an estimate for the number of days in a year (365 days) on which Raj runs for less than 43.2 minutes.