At time 0, a coin that comes up heads with probability p is flipped and falls to the ground. suppose it lands on heads. at times chosen according to a poisson process with rate λ, the coin is picked up and flipped. (between these times the coin remains on the ground.) what is the probability that the coin is on

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