A market research firm is investigating the appeal of three package designs.The table below gives information obtained through a sample of 200 consumers.The three package designs are labeled A, B, and C.The consumers are classified according to age and package design preference. If one of these consumers is randomly selected, what is the probability that the person prefers design A and is under 25?
A)0.22
B)0.11
C)0.18
D)0.54
E)0.78

Question

A market research firm is investigating the appeal of three package designs.The table below gives information obtained through a sample of 200 consumers.The three package designs are labeled A, B, and C.The consumers are classified according to age and package design preference.  If one of these consumers is randomly selected, what is the probability that the person prefers design A and is under 25?
A)0.22 
B)0.11 
C)0.18 
D)0.54 
E)0.78

Quizplus · Accepted Answer

Response: See section 4.4 Addition Laws

A Market Research Firm Is Investigating the Appeal of Three