In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this percentage has changed since then. A survey of 110 college students reported that 91 of them work. Is there evidence to support the reasearcher's claim at the 1% significance level? A normal probability plot indicates that the population is normally distributed. a) Determine the null and alternative hypotheses. H0: p= Ha: p    (Put in the correct symbol and value) b) Determine the test statistic. Round to two decimals. z= c) Find the p-value. Round to 4 decimals. P-value =

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