In a study conducted in the united kingdom about sleeping positions, 1000 adults in the uk were asked their starting position when they fall asleep at night. the most common answer was the fetal position (on the side, with legs pulled up), with of the participants saying they start in this position. use a normal distribution to find a 95% confidence interval for the proportion of all uk adults who start sleep in this position. use the fact that the standard error of the estimate is 0.016.