1. 4 x (8-5) + 5
2. (5 x4) x 6 + 1
3. (1 - 1) divided 65 divided 66
4. 7 + (10 divide 5) x6
5. 8+(5x4+5)
6. (8-3+6) divide 1
7. (4x6)+9 +3
8. 6+10-(10-3)
9. 54 divide (9 divide 9 x2)
10. 3x4x(7x3)

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.