For: > "Indicate whether you would participate in one round of the following gambles." I entered no values, because it seems a pointless exercise - my expecte

For: > "Indicate whether you would participate in one round of the following gambles." I entered no values, because it seems a pointless exercise - my expected return appears to be zero in each case, so why bother? I was told that: > This field is required. Please enter a value. I think this is a mistake, unless I misread the question somehow and my answer was genuinely invalid.