At punkton station the probability that the 8:00am train arrives on time is 0.8. The probability that the 8:30 am arrives on time is 0.9 if the 8:00 train was on time and 0.6 if the 8:00am train was late find the probability that’s on one particular morning.
i) The 8:00am train is late
ii) both trains are late
iii) both trains are on time
iv) the 8:00 am train is on time but the 8.30 train is late
