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A manufacturer of a new medication on the market for Parkinson's disease makes a claim that the medication is effective in 75% of people who have the disease. One hundred fifty individuals with Parkinson's disease are given the medication, and 100 of them note the medication was effective. Does this finding provide statistical evidence at the 0.05 level that the effectiveness is less than the 75% claim the company made? Make sure to include parameter, conditions, calculations, and a conclusion in your answer.

Sagot :

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Step-by-step explanation:

Part A: State the null and alternative hypotheses for the significance test.

Part B: In the context of the problem, what would a Type I error be? A Type II error?

Part C: If the hypothesis is tested at a 1% level of significance instead of 5%, how will this affect the power of the test?

Part D: If the hypothesis is tested based on the hiring of 1,000 employees rather than 100 employees, how will this affect the power of the test?

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