The lots are cast into the lap

This can be stated in active form. Alternate translation: "A person throws the lots into his lap" (See: rc://en/ta/man/jit/figs-activepassive)

the decision is from Yahweh

Possible meanings are 1) Yahweh decides how the lots will land or 2) it is not the lots, but Yahweh who determines what will happen.