Your exercise routine requires you to travel to the gym, com…

Your exercise routine requires you to travel to the gym, complete your workout, and return home. Suppose that the proportion of the total time for travel to the time at the gym follows a beta distribution with α = 0.5 and β =1.   What is the probability that the proportion of time for travel to the gym exceeds 0.68?

It has been established over a long period of time that the…

It has been established over a long period of time that the probability that an electricity company operative will be able to take a reading from a house meter, due to the resident being at home, is 0.4 .   Find the probability that the operative will be able to take his 3rd reading on his 7th visit.