Cody

# Problem 1268. Penny flipping - calculate winning probability (easy)

Solution 203433

Submitted on 13 Feb 2013 by Jeremy
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### Test Suite

Test Status Code Input and Output
1   Pass
%% m = 1; n = 1; y_correct = 0.50; assert(isequal(penny_flip(m, n),y_correct))

ans = 0.500000000000000

2   Pass
%% m = 2; n = 2; y_correct = 0.50; assert(isequal(penny_flip(m, n),y_correct))

ans = 0.500000000000000

3   Pass
%% m = 1e6; n = 1e6; y_correct = 0.50; assert(isequal(penny_flip(m, n),y_correct))

ans = 0.500000000000000

4   Pass
%% m = 4; n = 2; y_correct = 2/3; assert(abs(penny_flip(m, n)-y_correct) <= 0.01)

ans = 0.666666666666667

5   Pass
%% m = 2; n = 4; y_correct = 1/3; assert(abs(penny_flip(m, n)-y_correct) <= 0.01)

ans = 0.333333333333333

6   Pass
%% m = 106; n = 47; y_correct = 0.6928; assert(abs(penny_flip(m, n)-y_correct) <= 0.01)

ans = 0.692810457516340

7   Pass
%% m = 3; n = 4; y_correct = 0.4286; assert(abs(penny_flip(m, n)-y_correct) <= 0.01)

ans = 0.428571428571429