Determine (a) the ?0^2 test statistic, (b) the degrees of freedom, (c) the P-value, and (d) test the hypothesis at the ? = 0.05 level of significance.
X 0 1 2 3 4
Observed 1 38 124 438 386
Expected 1.6 25.3 151.6 404.3 404.3
H0: The random variable X is binomial with n = 4, p = 0.8
H1: The random variable X is not binomial with n = 4, p = 0.8
Click the icon to view the chi-square distribution table.
(a) ?0^2 =
(Round to two decimal places as needed.)