Determinewhether the normal sampling distribution can be used.The claim is popul

Question

Determinewhether the normal sampling distribution can be used.The claim is population proportion (p) is not equal to 0.300 andthe sample size is n = 20. A. Use the normal distribution. B. Do not use the normal distribution Determinewhether the normal sampling distribution can be used.The claim is population proportion (p) is not equal to 0.300 andthe sample size is n = 20. A. Use the normal distribution. B. Do not use the normal distribution

Explanation / Answer

The normal distribution as an approximation to the binomial isappropriate when np>5 and n(1-p)>5: np = 20(0.3) = 6 > 5 n(1-p) = 20(1-0.3) = 14 > 5 Answer: [A] Use thenormal distribution

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