1. What is the probability that 2 shark attacks will occur in a two-day period in Australia in 2015? NOT AT LEAST

mu _y = (mu_x) / 3

mu_y = 19.67

Shark Attacks! On October 4, 2015, the BBC world news ran an article about a sudden increase in shark attacks in Australia. The rst couple of statements read: "It has been a nasty year for shark attacks in Australia. There have been two fatalities recorded so far, 29 attacks and 18 injuries.\" Here is some historical data from the Taronga Conservation Society Australia about the number of shark attacks in Australian waters over the past few years