description: Selections from three servers occur at proper distributions
topology_description:
  type: Sharded
  servers:
    - address: a:27017
      avg_rtt_ms: 35
      type: Mongos
    - address: b:27017
      avg_rtt_ms: 35
      type: Mongos
    - address: c:27017
      avg_rtt_ms: 35
      type: Mongos
mocked_topology_state:
  - address: a:27017
    operation_count: 3
  - address: b:27017
    operation_count: 6
  - address: c:27017
    operation_count: 20
iterations: 2000
outcome:
  tolerance: 0.05
  expected_frequencies:
    a:27017: 0.66
    b:27017: 0.33
    c:27017: 0
