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1. 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.

Answer: Given data

1. H0 : (Claim)

Ha :

2. ? =

3. Test statistics:

4. P-value or critical z0

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9380174

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