Most married couples have two or three personality preferences in common. A random sample of 376 married couples found that 126 had three preferences in common. Another random sample of 582 couples showed that 220 had two personality preferences in common. Let p, be the population proportion of all married couples who have three personality preferences in common. Let p, be the population proportion of all married couples who have two personality preferences in common. LO USE SALT (a) Find a 90% confidence interval for P1 - P2. (Use 3 decimal places.) lower limit upper limit