Table:
0
A
B
C
D
E
1
1st players choice
2nd players choice
Probability 1st player wins
Probability 2nd player wins
Probability of a draw
2
BB B
R BB
0.11%
99.49%
0.40%
3
BB R
R BB
2.62%
93.54%
3.84%
4
BR B
B BR
11.61%
80.11%
8.28%
5
BR R
B BR
5.18%
88.29%
6.53%
6
RB B
R RB
5.18%
88.29%
6.53%
7
RB R
R RB
11.61%
80.11%
8.28%
8
RR B
B RR
2.62%
93.54%
3.84%

Questions and formulas:
Question: In Penney's game what is the probability where the 1st player wins if the probability of a draw is 8.28% and the 2nd player chooses B BR?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="8.28%")*(B1="B BR")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(E2:E8="8.28%")*(B2:B8="B BR")),3))
Level: medium
Question: If the first player chooses RB B, what is the second player's choices?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="RB B"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="RB B"),2))
Level: medium
Question: What is the probability where the second player wins where their choice is R RB and the first player has a 5.18% chance of winning?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="R RB")*(C1="5.18%")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(B2:B8="R RB")*(C2:C8="5.18%")),4))
Level: medium
Question: What are the chances the first player will win if the 2nd player has an 80.11% chance of winning with the choice of R RB?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="80.11%")*(B1="R RB")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(D2:D8="80.11%")*(B2:B8="R RB")),3))
Level: medium
Question: What are the chances that player 2 wins if player 1's choice is BB R?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="BB R"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="BB R"),4))
Level: medium
Question: How high is the chance that player 1 wins if player 2 has an 88.29% chance of winning with the choice of R RB?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="88.29%")*(B1="R RB")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(D2:D8="88.29%")*(B2:B8="R RB")),3))
Level: medium