These data count the types of meals ordered by customers at two restaurants in a national chain.

Question:

These data count the types of meals ordered by customers at two restaurants in a national chain. Consider using these data to test the null hypothesis that store and choice are independent (H0). Find the

(a) Degrees of freedom of x2.
(b) Expected number of customers who order beef at restaurant 1, assuming H0 holds.
(c) Value of x2for testing H0.
(d) p-value for testing H0.