Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean number of dandelions per square meter was found to be 7.0 (based on data from Manitoba Agriculture and Food) a. Find the probability of no dandelions in an area of 1 m2 . b. Find the probability of three dandelions in an area of 1 m2 . c. Find the probability of at least three dandelions in an area of 1 m2 . d. Find the probability of at most three dandelions in an area of 1 m2.