In Problem 9.24, check for each case if the conditions for a normal approximation hold. Data from

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In Problem 9.24, check for each case if the conditions for a normal approximation hold.

Data from in Problem 9.24

Construct a confidence interval for π using each random sample and a normal approximation.

a) x = 34, n = 55, 95% confidence.

b) x = 17, n = 149, 90% confidence.

c) x = 214, n = 555, 99% confidence.

d) x = 4, n = 104, 95% confidence.

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