Catherine Chao, Director of Marketing Research, Needs a Sample of Kansas

Multiple Choice

Catherine Chao, Director of Marketing Research, needs a sample of Kansas City households to participate in the testing of a new toothpaste package.If 40% of the households in Kansas City prefer the new package, the probability that Catherine's random sample of 300 households will have a sample proportion between 0.35 and 0.45 is closest to ___________.

A) 0.9232
B) 0.0768
C) 0.4616
D) 0.0384
E) 0.8976