I'm confused on running and testing statistical hypothesis. Here is an exercise from my textbook that I need help with. The following is the information in its entirety as written in the textbook.

A newspaper took a random sample of 1,200 registered voters and found that 925 would vote for the Green Party candidate for governor. Is this evidence that more than 3/4 of the entire voting population would vote for the Green Party candidate? Assume a Type I error rate of a=0.05

a. What are H(null) and H(alt)?

b. What is the associated standard score?

c. Test the hypothesis. Report a p-value, state what your decision is, and explain why.