For the particular process, defectives happen at the rate of p=.012 per trial.
On average how many trials it will take until you find first defective?
Find standard deviation of number of trials?
Find probability that first defective happens exactly on 50th trial?
2) The fire station near the state park receives the average of 2.7 rescue calls per day. Exponential distribution is utilized to model time between calls.
Find mean time between calls, in days?
Determine probability that station goes more than full day without the call. Integrate by hand and illustrate the work.