The coastal taipan is the highest ranked species on Australia's "most likely to cause serious harm" list because of the efficiency of the bite, its temperament, and the extreme toxicity of its venom which is rated as the 3rd most toxic in the world. Fortunately, the incidence of being bitten is rare, but the bite proves fatal about 30% of the time. If five people are bitten during one year what is the probability that a. All 5 die b. Since 1980, there have been 140 coastal taipan snake bites, how many do you expect to have died