Two friends in a statistics class, Laverne and Shirley, collect data together from a random sample of CSU students. They find the proportion of students who like math is 0.43. When they each construct...

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Extracted text: Two friends in a statistics class, Laverne and Shirley, collect data together from a random sample of CSU students. They find the proportion of students who like math is 0.43. When they each construct a confidence interval based on this sample proportion, Laverne comes up with (0.36, 0.49). Shirley comes up with (0.38, 0.48). One of their intervals is wrong. Whose is it? Explain how you can tell.