1. \( F_{x}(x) \) is a cumulative distribution function (cdf). Is it true that \( 0 \leq F_{x}(x) \leq 1 \)? (Please answer yes or no) (5%).
1. \( F_{x}(x) \) is a cumulative distribution function (cdf). Is it true that \( 0 \leq F_{x}(x) \leq 1 \)? (Please answer yes or no) (5%).