Critical values for quick reference during this activity. Confidence level Critical value 0.90 2* = 1.645 0.95 2* = 1.960 0.99 2* = 2.576 439780.3008842.qx3zay7 Jump to level 1 A hunger relief organization is trying to determine the lowest likely proportion of the local population that lives within two miles of a grocery store. A random sample of 50 local citizens was polled. Use Sheet 6 of the Excel file linked above to calculate p and the 95% confidence interval. p = EX: 1.234 Upper bound for 95% confidence interval = Ex: 1.234 Lower bound for 95% confidence interval = The organization can say with 95% confidence that the true population proportion of the local population that lives within two miles of a grocery store is in the interval [ (Ex: 1.234 ), The lowest likely proportion is Ex: 1.234 2 3 Check Next