the sharks are fed 3 times a day during the morning 2/15 of a ton of fish is fed during the afternoon feeding the weight of the fish fed will be 1/15 of a ton more then the sharks fed in the morning if the fish fed in a day is 1/2 of a ton how much is fed during the night time?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.