Determine (a) the x test statistic, (b) the degrees of freedom, (c) the P-value, and (d) test the hypothesis at the x = 0.05 level of significance. Ho: The random variable X is binomial with n = 4, p = 0.8 H: The random variable X is not binomial with n = 4, p = 0.8 Click the icon to view the chi-square distribution table. (a) x = (Round to two decimal places as needed.) 0 1 2 3 4 Observed 1 41 123 439 385 Expected 1.6 25.3 151.9 405.1 405.-