In a Two-Tail Test for the Population Mean, If the Null

question 122

Short Answer

In a two-tail test for the population mean, if the null hypothesis is rejected when the alternative hypothesis is false: $\begin{array}{|l|l|}\hline A.&\text { a Type I error is committed.}\\\hline B.&\text {a Type II error is committed. }\\\hline C.&\text {a correct decision is made. }\\\hline D.&\text { a one-tail test should be used instead of a two-tail test.}\\\hline \end{array}$

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Definitions:

Negative Exponential Distribution

A probability distribution used to model time between independent events that occur at a constant average rate.

Average Arrival Rate

The average rate at which entities (such as customers or products) arrive at a specific point or system over a defined period.

M/D/1

A notation in queue theory representing a system with a single server, where arrivals are Markovian (Poisson process), service times are deterministically fixed, and there is one server.

Constant Service Time

A condition in queuing theory where the time required to serve each customer is the same and does not vary.