dial

rng = new

// dialValue: 0 - 100%
bool toDial(dialValue):
    if !(0 <= dialValue <= 100):
        throw
    r = rng.next(100) +1
    return r <= dialValue

// dialValue: 0.00 - 100.00%
bool toDial(dialValue):
    if !(0 <= dialValue <= 100):
        throw
    r = (rng.next(100_00) /100.0) +.01
    return r <= dialValue