Cody

Problem 1159. Coin Tossing: Probability of Same Heads for N tosses

Solution 3036205

Submitted on 2 Oct 2020 by Lisa Lisanka
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Test Suite

Test Status Code Input and Output
1   Pass
assert(isequal(.5, round(1e6*coin_head_match(1))/1e6))

P = 0.5000
2   Pass
assert(isequal(.375, round(1e6*coin_head_match(2))/1e6))

P = 0.3750
3   Pass
assert(isequal(.3125, round(1e6*coin_head_match(3))/1e6))

P = 0.3125
4   Pass
assert(isequal(.273438, round(1e6*coin_head_match(4))/1e6))

P = 0.2734
5   Pass
assert(isequal(.246094, round(1e6*coin_head_match(5))/1e6))

P = 0.2461
6   Pass
assert(isequal(.225586, round(1e6*coin_head_match(6))/1e6))

P = 0.2256
7   Pass
assert(isequal(.139950, round(1e6*coin_head_match(16))/1e6))

P = 0.1399
8   Pass
assert(isequal(.125371, round(1e6*coin_head_match(20))/1e6))

P = 0.1254
9   Pass
assert(isequal(.114567, round(1e6*coin_head_match(24))/1e6))

P = 0.1146
10   Pass
assert(~isequal(1,2))
11   Pass
assert(isequal(.099347, round(1e6*coin_head_match(32))/1e6))

P = 0.0993
12   Pass
assert(isequal(.070386, round(1e6*coin_head_match(64))/1e6))

P = 0.0704

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