STATS 10 Lecture Notes - Lecture 4: Seat Belt
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1a) 2, 1, 0, 3, 3, 3, 2, 5, 2, 2. 1b) t, h, t, h, h, h, t, h, t, t. 1c) no i did not get 6 heads, i got 5 heads: 7/4 cannot be considered a probability because it greater than 1. 10% also cannot be considered a probability because it is less than 0. 15e) 1/16 = 0. 0625: p(person is conservative and a democrat) = 104/1858 = 0. 0559, p(person is liberal and republican) = 26/1858 = 0. 0139, p(person is democrat or a republican) = (689 + 469)/1858 = 0. 6232. 33a) p(odd number or number less than 3) = p(odd number) + p(number less than 3) p(odd number less than 3) = + 1/3 1/6 = 4/6 = 2/3 = 0. 667. 33b) p(odd number or number less than 2 on top) = p(odd number) + p(number less than 2) p(odd number less than 2) = + 1/6 1/6 = 0. 5.
