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aid to establishment of personnell requirements , director of hospital wishes to estimate mean number of people who are admitted to emergency room during 24
aid to establishment of personnell requirements , director of hospital wishes to estimate mean number of people who are admitted to emergency room during 24 hour. randomly select 64 different 24 hour periods and determines admissions for each.sample x bar = 396 and s = 100. whic of following assumptions is necessary for confidence interval to be valid.
approximate normal distribution
approximate t distribition
mean sample equals mean population
no assumptions necessary
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