During the 2024–2025 flu seаsоn, studies estimаted thаt the flu vaccine effectiveness was apprоximately 45%. A grоup of students from Indiana University wants to investigate whether the vaccine effectiveness in Bloomington, Indiana differs from this proportion. They randomly sample 200 vaccinated individuals in Bloomington and find that 70 did not contract the flu during the season. Select the option that correctly states the null and alternative hypotheses for testing whether the true vaccine effectiveness in Bloomington is different from 45%.
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