In a survey by Wanderlust, a travel agency, it was estimated that of a region-wide random sample of 800 college graduates between the ages of 17 and 28, a proportion of 0.78 women like to go to a beach on their spring break. Find the standard error of this estimate, and interpret.

A survey of adults in Country A conducted in May 2017 by Alpha Research Center asked whether they were in favor of allowing laptops to school. Of the 400 conservatives sampled, 25% were in favor, whereas of the 250 liberals, 82% were in favor. Find the estimated standard errors for the sample proportions in favor. Interpret.

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