\f(b) Which of the following values is closest to the p-value for a difference in average sample tap rates of X1 - X2 = 1.7? O 0.60 O 0.40 O 0.12 0 0.01 eTextbook and Media Hint (c) Which of the following values is closest to the p-value for a difference in average sample tap rates of $1 - X2 = 2.5? O 0.60 O 0.40 O 0.01 O 0.12 e Textbook and Media Hint (d) Which of the results given in parts b and c is likely to provide stronger evidence that caffeine increases average finger-tapping rate? The difference in part (b) The difference in part (c)