As Part of Pharmaceutical Testing for Drowsiness as a Side

question 11

Short Answer

As part of pharmaceutical testing for drowsiness as a side effect of a drug,200 patients are randomly assigned to one of two groups of 100 each.One group is given the actual drug and the other a placebo.The number of people who felt drowsy in the next hour is recorded as: a.What is the probability that a randomly picked patient in the study feels drowsy in the next hour?
B)What is the probability that a randomly picked patient in the study takes the placebo or feels drowsy in the next hour?
C)Given that the patient was given the drug,what is the probability that he/she feels drowsy in the next hour?
D)Is whether a patient feels drowsy independent of taking the drug? Explain using probabilities.

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Definitions:

Columnar Journal

A financial record-keeping method that uses columns to organize and separate transactions based on their type or purpose.

Accounts Receivable Ledger

A financial document used to track all sales on credit and payments received, detailing each customer's balance and transactions.