Chi-Square Distribution: Test of Homogeneity

[@burhaankhurram4503]

Got my ap test in 3 days, can u explain why at 5:32 the probability statement is X^2 is greater then or equal to 10.13. Shouldnt it be P(X^2 is less then 10.13), please explain.

[@bill237]

Chi squared tests are always right tailed