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5. [10.27 Points] DETAILS BBUNDERSTAT12 7.4.0175. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A random sample of 388 married couples found that 286 had two or more personality preferences in common. In another random sample of 588 married couples. it was found that only 28 had no preferences in common. Let ,o1 be the population proportion of all married couples who have two or more personality preferences in common. Let p2 be the population proportion of all married couples who have no personality preferences in common. I USE SALT (a) Find a 95% condence interval forp1 - p2. {Use 3 decimal places.) lower limit upper limit (b) Explain the meaning of the condence interval in part (a) in the context of this problem. Does the condence interval contain all positive, all negative, or both positive and negative numbers? What does this tell you (at the 95% condence level) about the proportion of married couples with two or more personality preferences in common compared with the proportion of married couples sharing no personality preferences in common? 0 Because the interval contains only positive numbers. we can say that a higher proportion of married couples have two or more personality preferences in common. 0 We can not make any conclusions using this condence interval. 0 Because the interval contains both positive and negative numbers. we can not say that a higher proportion of married couples have two or more personality preferences in common. 0 Because the interval contains only negative numbers. we can say that a higher proportion of married couples have no personality preferences in common