Question

Use the table to answer the question.

Train Arrivals Categorized by Path and Time
Train Arrival
Train Path On Time Arrival Late Arrival Total
In the city 54 6 60
City to city 27 3 30
Total 81 9 90
Let event A
be the train that is on time and event B
be the city to city train. What is P(A and B)
?

(1 point)

Answer 1

P(A and B) = number on-time city-to-city / total = 27/90 = 3/10 = 0.3 (30%).