Need Help with this Consider the experiment of flipping a coin three times. You then count the number of heads. For questions c and d express your answer correct to 2 decimal places. a) State the random variable and create the sample space [1 mark] b) Create a table showing the probability distribution for the number of heads. [2 marks] c) Find the mean number of heads. [2 marks] d) Find the standard deviation for the number of heads. [2 marks]