Time between process problems (Probability distributions)

Spunkerspawn

I'm having a bit of trouble with d.(ii)

For d.(i) the distribution for waiting time for Problem of Type 1 is exponential with a mean of 30/0.75.

How do I proceed with d.(ii)?

Spunkerspawn	I'm having a bit of trouble with d.(ii) For d.(i) the distribution for waiting time for Problem of Type 1 is exponential with a mean of 30/0.75. How do I proceed with d.(ii)?