Does the woman helping you with your accommodation know you were given short notice and then required to take the first exam two days before everyone else? If not, tell her.

At this point I would also get my student advisor involved and the head of the department (whatever department Statistics is in). I'd quote the TA as saying he did not have the book, I'd relay his confusion in the class about what you were supposed to be going over; I'd indicate the refusal of the professor to take control when it was so obvious the TA was clueless.

The worst that will happen is your exams will be gone over with a fine tooth comb. Don't worry about the professor getting mad--you deserve better than you have gotten in this class. Many professors are very dedicated people. Some are not. I never cut the ones who are not any slack. If they don't want to deal with students they are in the wrong profession.

I'm assuming that you take the test alone with the TA present? Don't let him or her push you into taking it at a time not comfortable to you. You should be given the opportunity for the same instruction and review that the other students are given.

Keep sticking up for decent treatment. You deserve it. And be vocal about instructors who cannot speak English, if that is the language the class is supposed to be taught in. The school should be ensuring that these grad students are qualified. Those TA positions are usually competitive and should only be filled by the best.