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Mathematics, 21.11.2019 05:31 andrew5632

Arandom sample of n=1400 registered voters and found that 720 would vote for the republican candidate in a state senate race. let p represent the proportion of registered voters who would vote for the republican candidate.
consider testing

h0: p=.50
ha: p> .50

(a) the test statistic is z =

(b) regardless of what you acutally computed, suppose your answer to part (a) was z = 1.28. using this z, p-value =

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