Alvaro is interested in the relationship between weather conditions and whether the downtown train runs
on time. For a year, he records whether each day is sunny, cloudy, rainy, or snowy, as well as whether this
train arrives on time or is delayed. Here are his results:
Weather condition
Delayed
on time
167
Total
170
Sunny
3
Cloudy
120
Rainy
55
115
40
8
330
Snowy
15
12
35
20
Total
35
365
Which of the following statements is true?
Choose 1