In a concurrent schedule, the left key delivers reward on a FR15 schedule while the right key delivers reward on a FR25 schedule. How is behavior distributed between the 2 keys?   CHOICES:   behavior will be distributed mostly to the right key and the rate of responding on the left key would be <0.5   behavior will be distributed mostly to the left key and the rate of responding on the left key would be >0.5   behavior will be distributed mostly to the left key and the rate of responding on the left key would be <0.5   behavior will be distributed mostly to the right key and the rate of responding on the left key would be >0.5

behavior will be distributed mostly to the right key and the rate of responding on the left key would be <0.5

behavior will be distributed mostly to the left key and the rate of responding on the left key would be >0.5

behavior will be distributed mostly to the left key and the rate of responding on the left key would be <0.5

behavior will be distributed mostly to the right key and the rate of responding on the left key would be >0.5