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Explain which would be of more interest in each of the following situations-the probability distribution function or the cumulative probability distribution function for X. If you think both would be of interest, explain why.

a. A pharmaceutical company wants to show that its new drug is effective for lowering blood pressure. The drug is administered to a sample of 800 patients with high blood pressure, and X = the number for whom the drug reduces blood pressure.

b. A caterer who serves dinner at wedding receptions is told in advance the number of people who have said they will attend; X is the number of people who actually attend the dinner.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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