You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly less than 0.72. You use a

Question

You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly less than 0.72. You use a significance level of a = 0.01.
Ho: p = 0.72
HA:P < 0.72
You obtain a sample of size n = 491 in which there are 331 successes.
What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistic =
What is the p-value for this sample? (Report answer accurate to four decimal places.)
p-value

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