Find the probability that the hurricane was Category 4. 2. Find the probability that the hurricane occurred during 1931-1940. 3. Find the probability that the hurricane was Category 3 or Category 4. 4. Find the probability that the hurricane occurred during 1901-1910 given that it was category 2. 5. Find the probability that the hurricane was category 5 given that it occurred during 1991-2000. Table 6. Number of hurricanes by category to strike the mainland U.S. each decade. (Updated from Blake et al., 2007) Category ALL DECADE 1 2 3 4 5 1,2,3,4,5 1851-1860 7 5 5 1 0 18 1861-1870 8 6 1 0 0 15 1871-1880 7 6 7 0 0 20 1881-1890 8 9 4 1 0 22 1891-1900 8 5 5 3 0 21 1901-1910 10 4 4 0 0 18 1911-1920 8 5 4 3 0 20 1921-1930 8 2 3 2 0 15 1931-1940 4 7 6 1 1 19 1941-1950 8 6 9 1 0 24 1951-1960 8 1 6 3 0 18 1961-1970 3 5 4 1 1 14 1971-1980 6 2 4 0 0 12 1981-1990 9 2 3 1 0 15 1991-2000 3 6 4 0 1 14 2001-2010