Solve the following and provide solution:

1. Out of 800 families with 5 children each, how many would you expect to have (a) 3 boys, (b) 5 girls, (a) either 2 or 3 boys? Assume equal probabilities for boys and girls. 2. An urn holds 5 white and 3 black marbles. If 2 marbles are to be drawn at random without replacement and X denotes the number of White marbles, nd the probability distribution for X