Test Whether He Given Claim Is Supported or Not Supported

question 40

Multiple Choice

Test whether he given claim is supported or not supported using a 0.05 significance level. Assume that the sample has been randomly selected from a population with a normal distribution.
-A fast food outlet claims that the mean waiting time in line is less than 3.7 minutes. A random sample of 20 customers has a mean of 3.5 minutes with a standard deviation of 0.8 minute. Use a significance level of 0.05 to test whether the fast food outlet's claim is supported or not supported.

• A)not supported
• B)supported

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Definitions:

Real Value

The value of an object, factoring in the effects of inflation on purchasing power.

CPI (Consumer Price Index)

A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care, used to estimate the cost of living.

Nominal Price

The price of a good or service without adjusting for the effects of inflation or deflation, representing its cost in current currency terms.

Economic Analysis

The systematic approach to determining the optimum use of scarce resources, involving comparison of two or more alternatives in achieving a specific objective under the given assumptions and constraints.