4. For a candidate to win in a congressional district, he has to have won over half of the vote. The Republican candidate takes a poll to assess his chances in a two-candidate race. He polls 1200 potential voters and find that 621 plan to vote for the Republican candidate. Does the Republican candidate have a chance to win? Use a level of significance of  = 0.05. (Round phat to 4 decimal places.)

Answer: Given data

1. H 0 :
   H a :
2.  =
3. Test statistics:
4. P-value or critical z 0
5. Rejection Region:
6. Decision:
7. Interpretation:

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Solution: The downloadable solution consists of 3 pages, 250 words.
Deliverable: Word Document