A market survey was conducted to estimate the proportion of homemakers who could recognize the brand name of a cleanser based on the shape and colour of the container. Of the 1,400 homemakers, 420 were able to identify the brand name. Using the 99 percent confidence, the population proportion lies within what interval? (Select the best answer). O 0.250 and 0.350 O 0.397 and 0.421 O 0.357 and 0.385 0.950 and 0.997 O 0.268 and 0.332