During a Time Study,the Following Times Were Observed for a Particular

question 67

Multiple Choice

During a time study,the following times were observed for a particular job using the continuous (non-snapback) method: 22,51,72,98,128,and 150 seconds.There is only one element per cycle.The sample standard deviation of the observed times has already been computed as 3.9 seconds.If an estimate for the average time that is within 4 percent of the true long-range average 95 percent (z = 1.96) of the time is desired,how many additional observations are needed?

• A)fewer than or equal to 40
• B)greater than 40 but fewer than or equal to 55
• C)greater than 55 but fewer than or equal to 70
• D)greater than 70

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Definitions:

Interest Rate Parity

A financial theory stating the difference in interest rates between two countries is equal to the expected change in exchange rates between their currencies.

Forward Contract

An agreement to buy or sell an asset at a future date for a price agreed upon today, without the standardization of futures contracts.

Exchange Rate Risk

The potential for investors to experience losses due to changes in the exchange rate between two currencies.

Short-term

This term usually refers to a period of time less than one year, often used in the context of finance for investments or liabilities.