Catherine Chao,Director of Marketing Research,needs a Sample of Kansas City

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 ___________.

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