Ms. Hall found a mistake as she was grading Ethan’s paper. Each step should represent an equivalent expression. Which step shows the mistake that Ms. Hall found? Expression: (1/2)exponet 2 x 8 – 3

Step 1:1/4 x 8 – 3

Step 2: 1/4 x 5

Step 3: 5/4

Step 4: 1/4

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.