A random sample of 60

households was selected for a phone survey. The key question asked was, "Do you or any member of your household own a product from Company A?" Of the

60 respondents, 30said yes and 30said no.

a. Determine the sample proportion, p, of households that own a Company A product.

b. If the population proportion is 0.70,

determine the standard error of the proportion.

a. =0.5

B. =

(Round to four decimal places as needed.)