A local non-profit group would like to estimate the proportion of residents of Martin county who do not have health insurance. To help with this estimate, the non-profit surveyed a random sample of Martin county residents and found that 51% did not have heath insurance. Determine the sample size required to limit the margin of error to within 0.088 of the population proportion for a 90% confidence interval. Round the solution up to the nearest whole number. n

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