Sinus Drug a Company Claims That 10% of the Users of Users

question 27

Essay

Sinus Drug
A company claims that 10% of the users of a certain sinus drug experience drowsiness.In clinical studies of this sinus drug,81 of the 900 subjects experienced drowsiness ​ ​
-{Sinus Drug Narrative} We want to test their claim and find out whether the actual percentage is not 10%.State the appropriate null and hypotheses.

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Definitions:

Present Value

The worth at present of a future money amount or sequences of cash flows, applying a specified rate of return.

Investment

The action of allocating resources, usually money, with the expectation of generating an income or profit.

Real Interest Rate

The interest rate adjusted for inflation, reflecting the true cost of borrowing or the true return on savings.

Nominal Interest Rate

The interest rate before adjustments for inflation, representing the face value of financial transactions.