% Edit the line below and observe the effects on the results
n_experiments = 100000;

% Initialize an empty vector to store the results
results = [];

% Main loop over experiments
for i=1:n_experiments

    % Generate ten random numbers in the range 0 to 1, count how
    % many of them exceed 0.5 - this is equivalent to tossing a head
    n_heads = 0;
    for j=1:10
        if rand() > 0.5
            n_heads = n_heads + 1;
        end
    end

    % Record how many heads there were in this experiment
    results = [results n_heads];

end

% Plot a historgram of the number of heads
hist(results, [0:10]);
grid on;

% Display frequencies relating to parts (i) and (ii) of the question
disp('Proportion of experiments in which there were five heads:');
disp(sum(results == 5)/n_experiments);
disp('Proportion of experiments in which there were seven heads:');
disp(sum(results == 7)/n_experiments);
disp('Proportion of experiments in which there were more than seven heads:');
disp(sum(results > 7)/n_experiments);