Question: solve immediately 3) State the formula which is used to calculate a 98% confidence D2. 4) State the formula which is used to calculate a

solve immediately

3) State the formula which is used to calculate a 98% confidence D2. 4) State the formula which is used to calculate a 92% confidence interval for the population proportion p, when n > 30. D 0.005: 2.575. Find the 99% confidence interval for the difference [12
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