Mathematics, 01.10.2019 06:00 Nyasiahenry
The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level. a.) suppose a sample of 1123 tenth graders is drawn. of the students sampled, 888 read above the eighth grade level. using the data, estimate the proportion of tenth graders reading at or below the eighth grade level. enter your answer as a fraction or a decimal number rounded to three decimal places. b.) suppose a sample of 1123 tenth graders is drawn. of the students sampled, 888 read above the eighth grade level. using the data, construct the 90% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level. round your answers to three decimal places.
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