According to the Oxnard College Student Success Committee report in the previous year, we believe that...

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According to the Oxnard College Student Success Committee report in the previous year, we believe that 25% of students struggle in their classes because they don't spend more than 8 hours studying independently outside of a 4-unit class. For this year, you would like to obtain a new sample to estimate the proportiton of all Oxnard students who struggle in their classes because they don't study enough outside of the classrooms. You would like to be 98% confident that your estimate is within 3.5% of the true population proportion. How large of a sample size is required? Do not round mid-calculation. According to the Oxnard College Student Success Committee report in the previous year, we believe that 25% of students struggle in their classes because they don't spend more than 8 hours studying independently outside of a 4-unit class. For this year, you would like to obtain a new sample to estimate the proportiton of all Oxnard students who struggle in their classes because they don't study enough outside of the classrooms. You would like to be 98% confident that your estimate is within 3.5% of the true population proportion. How large of a sample size is required? Do not round mid-calculation.

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