Confidence interval for the population proportion

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A pharmaceutical company proposes a new drug treatment for alleviating symptoms of PMS? (premenstrual syndrome). In the first stages of a clinical? trial, it was successful for 8 out of 12 women.

a. Construct a? 95% confidence interval for the population proportion.

b. Is it plausible that it is successful for only half the? population? Explain.

Reference no: EM132073092

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