Joe knows from experience that on average it takes thirtyfi

) Joe knows from experience that on average it takes thirty-five minutes to mow his yard. He really needs to mow the yard, but the big game kicks-off in forty-five minutes and he really wants to see that too. His DVR is not working and he really needs to mow that yard. What is the probability that he can finish mowing the yard before the start of the game?

Solution

Answer to the question)

Since the question states that the DVR is not working

So in any case, he would be able to watch the game

thus there is 100% chance for him to finish the mowing

Thus he can finish the mowing of the field with 100% probability