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need the answers to these two Question 3 20 pts A 90% confidence interval for the proportion of twelfth-grade students who chose math as their

need the answers to these two

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Question 3 20 pts A 90% confidence interval for the proportion of twelfth-grade students who chose math as their favorite subject is (0.43, 0.51). What was the margin of error used to calculate the interval? 10.47 10.08 10.04 10.02 Question 4 20 pts What critical value of z or z* should be used in an 85% confidence interval? 1,440 1,645 1960 1.282

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