A Researcher Wants to Estimate the Proportion of Manufacturing Companies

Multiple Choice

A researcher wants to estimate the proportion of manufacturing companies that use the six sigma method.For this purpose, she takes a random sample of 50 manufacturing companies and finds out that 28 of them employ this method.The point estimate for the proportion of the population that uses this method is ______.

A) 0.88
B) 0.56
C) 0.44
D) 0.28
E) 0.22