This topic is locked. If you want to discuss this question please re-post it in the respective forum.
The probability of rain on each of five days is 1/6, except on the first
day, when it is 2/5, and on the last day, when it is 4/5. What is the
probability that rain will occur on at least one of the five days?
Let us make hay while the sun shines.
Don Quixote. Part i. Book. iii. Chap. xi.