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CHALLENGE ACTIVITY 7.2.1: Confidence intervals for population proportions. Critical values for quick reference during this activity. Confidence level | Critical value 0.90 1.645 0.95 =

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CHALLENGE ACTIVITY 7.2.1: Confidence intervals for population proportions. Critical values for quick reference during this activity. Confidence level | Critical value 0.90 1.645 0.95 = 1.960 0.99 2* = 2.576 377158.2335264.qx3zay7 Jump to level 1 1 In a poll of 1000 randomly selected voters in a local election, 748 voters were 2 against school bond measures. a What is the 95% confidence interval? [ Ex: 0.123 Ex: 0.123 [smaller value, larger value]

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