a survey of 85 families showed that 36 owned at least one dvd player. find the 99% confidence interval estimate of the true proportion of families who own at least one dvd player. place your limits, rounded to 3 decimal places, in the blanks. place the lower limit in the first blank and the upper limit in the second blank when entering your answer do not use any labels or symbols other than the decimal point. simply provide the numerical values. for example, 0.123 would be a legitimate entry. make sure you put a 0 before the decimal.