A consumer agency randomly selected1715 flights for two major airlines, A and B. The following table gives the two-way classification of these flights based on airline and arrival time. Note that "less than30 minutes late" includes flights that arrived early or on time.

Less Than30 Minutes Late 30Minutes to1 Hour LateMore Than1Hour Late

Airline A429 390 92

Airline B 39 316 95

Round your answers to three decimal places.

If one flight is selected at random from these1715 flights, find the probability that this flight is

i.more than1hour late. =

i.less than30 minutes late.

iii.a flight on airline A given that it30 minutes to1 hour late.

iv.more than1 hour late given that it is a flight on airline B.