Complete the two-way frequency table below, which shows the relationship between adults' gender and whether these adults buy a truck or a car for their first new vehicle. From a sample of 88 adults, the following data are collected:
Truck Car Total
Female 5 35
Male 27 21
Total 88
What is the probability (rounded to the nearest whole percent) that an adult will buy a truck, given that he is a male? Are the events being male and buying a truck independent? (7 points)
a) 31%; they are independent
b) 84%; they are dependent
c) 56%; they are dependent
d) 27%; they are independent
