Question

Catherine Chao, Director of Marketing Research, is evaluating consumer acceptance of alternative toothpaste packages. She wonders whether acceptance is influenced by children in the household. Her staff prepared the following contingency table from a random sample of 100 households.  

Children in Household

Pre-teenagers

teenagers

none

Preferred

Pump

30

20

10

Package

Tube

10

10

20

Using a significance level of 0.05, the appropriate decision is ______________.

Answer 1