# Question: a The manufacturer of aspirin claims that the proportion of

a. The manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just two aspirins is 53%. What is the probability that in a random sample of 400 headache sufferers, less than 50% obtain relief? If 50% of the sample actually obtained relief, what does this suggest about the manufacturer’s claim?

b. Repeat part (a) using a sample of 1,000.

b. Repeat part (a) using a sample of 1,000.

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