Please answer this two subparts. Thank You.

Problem 4: There are four stores in an area, with characteristics as follows: Store Travel time (average) Size (sq. ft.) R 30 minutes 9000 S 10 minutes 2000 T 25 minutes 5000 U 15 minutes 900 If lambda (2) is assumed to be 2, what are: a) the attractions for the four stores? b) the probabilities that a customer in the area will visit each of the four stores? A manufacturing operation has a team of four workers assembling circuit boards. Over the last week, the workers have produced output as given below: Worker Joe Karla Liam Maria Output (circuit boards) 500 400 450 600 Hours worked 36 40 32 48 In terms of circuit boards produced per hour, what are: a) the individual worker productivities? b) the productivity of the entire team