Cody

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

Solution 3068212

Submitted on 5 Oct 2020 by Alex
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

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

ans = 0.5000

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

ans = 0.3750

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

ans = 0.3125

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

ans = 0.2734

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

ans = 0.2461

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

ans = 0.2256

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

ans = 0.1399

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

ans = 0.1254

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

ans = 0.1146

10   Pass
assert(~isequal(1,2))

11   Pass
assert(isequal(.099347, round(1e6*coin_head_match(32))/1e6))

ans = 0.0993

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

[Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] [Warning: Result may not be exact. Coefficient is greater than 9.007199e+15 and is only accurate to 15 digits] [> In nchoosek (line 92) In coin_head_match>@(i)(nchoosek(n,i)*0.5^n).^2 (line 2) In coin_head_match (line 2) In ScoringEngineTestPoint12 (line 1) In solutionTest (line 25)] ans = 0.0704

Suggested Problems

More from this Author246

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!