为什么不是log odd=b0+b1*X1变动一个单位

问题如下：

Determine for Logistic Regression 1 which of the following is closest to the change in the probability that an ETF will be a winning fund if net_assets increase by one unit, and all else stays constant.

选项：

A.31.7%

B.76.7%

C.100.0%

解释：

A is correct. In Logistic Regression 1, the slope coefficient (i.e., log odds) for net_ assets is –0.7667. Therefore, the odds are e−0.7667 = 0.46454, and the probability(P) is 0.46454/(1.46454) = 0.31719, or 31.72%. So, a one-unit increase in net_assets results in a 31.72% increase in the probability that the EFT is a winning fund, all other variables held constant.