An environmental organization is trying to determine the proportion, p, of working adults living in high-density urban areas that regularly use public transportation for their daily commutes. they will collect a sample of n working adults in high-density urban areas and compute the sample proportion, pb, to estimate p. how large does n have to be so that pb is within 1% of the true value with at least 75% probability?

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet