The pass completion percentages of 10 co lege football quarterbacks for their freshman and sophomore seasons are shown in the table below. At (1 = 0.01, is there enough evidence to support the claim that the pass completion percentages have changed? Complete parts (a) through (e) below. Player 1 2 3 4 5 6 7 8 9 10 D c"'\"'e"" \"mama\" 57.5 52.5 57.1 51.0 53.7 52.0 55.0 54.5 55.5 57.5 (freshman) Completion percentage (sophomore) 67.5 57.8 63.6 61.8 62.2 59.9 63.5 63.6 57.6 60.4 (a) Identify the claim and state H0 and H5- What is the claim? . The pass completion percentages have not changed. A B. The pass completion percentages have decreased. 0. The pass completion percentages have increased. D . The pass completion percentages have changed. Let pd be the hypothesized mean of the differences in the pass completion percentages (freshman -sophomore). Then a is the sample mean of the differences. What are Ho and Ha? 1:. A. H0: pd 20 1. B. H0: pd =0 .7': C. HD: pd SO Ha:pd0 1: D. Howdy] 1: E. Home\") :I. F. Ho;pdza Ha:pd>d Ha3lld= Ha:pd