Do teachers find their work rewarding and satisfying? An article reports the results of a survey of 396 elementary school teachers and 268 high school teachers. Of the elementary school teachers, 229 said they were very satisfied with their jobs, whereas 121 of the high school teachers were very satisfied with their work. Estimate the difference between the proportion of all elementary school teachers who are satisfied and all high school teachers who are satisfied by calculating a 95% CI. (Use Pelementary Phigh school Round your answers to four decimal places.) LAUSE SALT

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