6.32 The accompanying data are from the article “Characteristics of Buyers of Hybrid Honda Civic IMA:

Preferences, Decision Process, Vehicle Ownership, and Willingness-to-Pay” (Institute for Environmental Decisions, November 2006). Each of 311 people who purchased a Honda Civic was classified according to gender and whether the car purchased had a hybrid engine or not.

Hybrid Not Hybrid Male 77 117 Female 34 83 Suppose one of these 311 individuals is to be selected at random.

a. Find the following probabilities:

i. Psmaled ii. Pshybrid d iii. Pshybridumaled iv. Pshybridu femaled v. Ps femaleuhybrid d

b. For each of the probabilities calculated in Part (a), write a sentence interpreting the probability.

(Hint: See Example 6.13.)

c. Are the probabilities Pshybridumaled and Psmaleuhybrid d equal? If not, write a sentence or two explaining the difference between these two probabilities.