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If a question has a formula given, please use the one provided. 12. An advertisement claims that Fasto Stomach Calm will provide relief from indigestion

If a question has a formula given, please use the one provided.
12. An advertisement claims that Fasto Stomach Calm will provide relief from indigestion in less than 10 minutes. For a test of the claim, 25 individuals were given the product, and the average time was 9.25 minutes. From the past studies. the standard deviation is known to be 2 minutes. Can one conclude that the claim is justified? . Find the P-value. and let a = 0.05. Assume that the variable is approximately normally distributed. Construct a corresponding confidence interval for the population parameter. , x + 2.95 Vn

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