a city of punjab has a 15 percent chance of wet weather on any given day. what is the probability that it will take a week for it three weather on three separate days? also find its standard deviation

These three organisms are interdependent on each other for their survival. what will happen if foxes are eliminated from the region? a. there will be more rabbits and less grass in the region. b. there will be more grass and fewer rabbits in the region. c. there will be fewer rabbits and less grass in the region. d. there will be more rabbits and more grass in the region.