Sleep apnea Sleep apnea is a disorder in which there are pauses in breathing during sleep People with this condition must wake up frequently to breathe In a sample of 432 people aged 65 and over 108 of them had sleep apnea Part 1 of 3 a Find a point estimate for the population proportion of those aged 65 and over who have sleep apnea Round the answer to at least three decimal places 0 250 The point estimate for the proportion of those aged 65 and over who have sleep apnea is Part 1 3 Part 2 of 3 b Construct a 99 confidence interval for the proportion of those aged 65 and over who have sleep apnea Round the answer to at least three decimal places A 99 confidence interval for the proportion of those aged 65 and over who have sleep apnea is Espa o O