Question

The marketing director of a cable television company is interested in determining whether there is a difference in the proportion of households that adopt a cable television service based on the type of residence (single -family dwelling, two - to - four -family dwelling, and apartment house). A random sample of 400 households revealed the following: Type of Residence Two -to Four Apartment House Purchase Cable Television Yes No Total Single Family Total Family 39 36 75 210 190 400 56 98 150 175 At the 0.01 level of significance, is there evidence of a significant difference among the types of residence with respect to the proportion of households that adopt the cable TV service? a.

Answer 1