Afamily has 2 children. find the probability that both are boys if it is known that
i)atleast 1 is boy
ii)elder child is boy

Plzzz answer both questions and i will give you 100 points

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.