Per ESPN's FPI:
AUG. 27: VS. NORTHWESTERN - Win probability: 78.7% - Opponent FPI rank: 81
SEPT. 3 VS. NORTH DAKOTA - Win probability: 98.4% - Opponent FPI rank: N/A
SEPT. 10 VS. GEORGIA SOUTHERN - Win probability: 92.0% - Opponent FPI rank: 103
SEPT. 17 VS. OKLAHOMA - Win probability: 39.5% - Opponent FPI rank: 8
OCT. 1 VS. INDIANA - Win probability: 84.0% - Opponent FPI rank: 68
OCT. 7 AT RUTGERS - Win probability: 72.4 - Opponent FPI rank: 82
OCT. 15 AT PURDUE - Win probability: 48.7% - Opponent FPI rank: 41
OCT. 29 VS. ILLINOIS - Win probability: 83.5% - Opponent FPI rank: 75
NOV. 5 VS. MINNESOTA - Win probability: 63.9% - Opponent FPI rank: 40
NOV. 12 AT MICHIGAN - Win probability: 20% - Opponent FPI rank: 6
NOV. 19 VS. WISCONSIN - Win probability: 51.2% - Opponent FPI rank: 21
NOV. 25 AT IOWA - Win probability: 46.5% - Opponent FPI rank: 37
It's been awhile since my last statistics course but I believe that comes up with 7.8 expected wins.
AUG. 27: VS. NORTHWESTERN - Win probability: 78.7% - Opponent FPI rank: 81
SEPT. 3 VS. NORTH DAKOTA - Win probability: 98.4% - Opponent FPI rank: N/A
SEPT. 10 VS. GEORGIA SOUTHERN - Win probability: 92.0% - Opponent FPI rank: 103
SEPT. 17 VS. OKLAHOMA - Win probability: 39.5% - Opponent FPI rank: 8
OCT. 1 VS. INDIANA - Win probability: 84.0% - Opponent FPI rank: 68
OCT. 7 AT RUTGERS - Win probability: 72.4 - Opponent FPI rank: 82
OCT. 15 AT PURDUE - Win probability: 48.7% - Opponent FPI rank: 41
OCT. 29 VS. ILLINOIS - Win probability: 83.5% - Opponent FPI rank: 75
NOV. 5 VS. MINNESOTA - Win probability: 63.9% - Opponent FPI rank: 40
NOV. 12 AT MICHIGAN - Win probability: 20% - Opponent FPI rank: 6
NOV. 19 VS. WISCONSIN - Win probability: 51.2% - Opponent FPI rank: 21
NOV. 25 AT IOWA - Win probability: 46.5% - Opponent FPI rank: 37
It's been awhile since my last statistics course but I believe that comes up with 7.8 expected wins.