Suppose You Are Testing the Null Hypothesis That a Population

question 65

Multiple Choice

Suppose you are testing the null hypothesis that a population mean is less than or equal to 80, against the alternative hypothesis that the population mean is greater than 80.If the sample size is 49 and alpha = .10, the critical value of z is ___.

• A)1.645
• B)-1.645
• C)1.28
• D)-1.28
• E)2.33

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Definitions:

Long-term Commitment

A contractual agreement to perform certain activities or make payments over a period longer than one year.

Funds

Money that is available for spending or investment, often referred to within the context of managing or allocating financial resources.

Present Value

It represents the discounted worth of future cash flows using a specific discount rate, highlighting the time value of money concept.

Capital Investment

Funds invested in a firm or enterprise for the purposes of furthering its business objectives.