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14 A study by Southpaw University claims that left-handed people are more inclined to have increased intelligence levels than their right-handed counterparts. 15 In an attempt to dispute this claim a researcher sampled individuals who have I .Q. scores exceeding 140 (the level which is commonly accepted to classify someone as a "genius") 16 and recorded their dominant hand. 10% of the world is left-handed. Based on the sample below, at a 5% level of significance, is 17 there evidence that a higher proportion of geniuses are left-handed than the 10% seen in the world's general population. 18 19 Sample of Dominant Hand for Individuals with I.Q. Score over 140 20 Right Right Left Right Right Right Right 21 Right Right Right Right Right Right Right 22 Left Right Right Left Right Left Right 23 Right Right Right |Left Right Right Right 24 Right Right Right Left Right Right Right 25 Right Right Left Left Left Left Right 26 Right Left Right Right Right Right Right 27 8 BLANK #1: Is this a question involving mean or proportion? ***ANSWER "MEAN" OR "PROPORTION" (WITHOUT THE QUOTATION MARKS)*** 29 BLANK #2: Which type of distribution should be used to calculate the probability for this question? ***ANSWER "NORMAL", "T", OR "BINOMIAL" (WITHOUT THE QUOTATION MARKS)*** 30 BLANK #3: Which of the following options are the appropriate hypotheses for this question: ***ANSWER WITH THE CORRECT LETTER, WITHOUT ANY QUOTATION MARKS OR BRACKETS*** 31 A) Ho: H = 10% H1: [ > 10% 32 B) Ho: H = 10% H1: P 10% 85 E) Ho: P = 10% H1: p