Chauncey's birthday is in january. for his last birthday, the low temperature for the day was 9 degrees fahrenheit. it was only 12 degrees above the all time record low for dallas, texas. what is the all time record for dallas

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.