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7 A Survey of 85 families showed that 36 owned at least one DVD player. Find the 95% confidence interval of the true proportion

7 A Survey of 85 families showed that 36 owned at least one DVD player. Find the 95% confidence interval of the true proportion of families who own at least one DVD player. a) Find the 95% confidence interval (show all work, include the formula(s) with the appropriate values)

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