In Problems, determine 

(a) The x² test statistic, 

(b) The degrees of freedom, 

(c) The critical value using α = 0.05, and 

(d) Test the hypothesis at the α = 0.05 level of significance.

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

Transcribed Image Text:

X Observed Expected 0 1 1.6 1 38 25.6 2 132 153.6 3 440 409.6 4 389 409.6