(Answered) A certain medicine is said to be 78 effective in giving

Economics

A certain medicine is said to be 78% effective in giving relief to people with allergic reactions to cats and dogs. A vet believe this claim is too high. In a random sample of 140 people with allergies 99 people go relief. Is the vet correct at alpha = 5% . How would I find the mean of the sampling distribution? the value of the sample statistic and the p valve.

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