Learning TheoryThe time t (in hours) required for a new employee to learn to successfully operate a machine in a manufacturing process is described by the probability density function

f(t)=12815t4t,[0,4]

Find the probabilities that a new employee will learn to operate the machine in less than 2 hours, and in more than 1 hour(s) but less than 3 hours. (Round your answers to four decimal places.)

(a). In less than 2 hours.

(b). In more than 1 hour(s) but less than 3 hours.