Test Hypotheses About a Population Mean with Unknown
-A Bank $2.2$

question 102

Short Answer

Test Hypotheses about a Population Mean with Unknown
-A bank claims that the mean waiting time in line is less than $2.2$ minutes. A random sample of 20 customers has a mean of 2 minutes with a standard deviation of $0.8$ minute. If $\alpha = 0.05$ , test the bank's claim using $\mathrm { P }$ -values.

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Definitions:

Oppression

The exercise of authority or power in a burdensome, cruel, or unjust manner, often to maintain dominance over others.

Minority Communities

Groups of people who share common ethnic, racial, cultural, or linguistic characteristics and are smaller in numbers compared to the majority population in a society.

Quantitative Methods

Research techniques that focus on quantifying data and typically involve statistical analysis to interpret results.

Ethnography

A qualitative research method focused on the systematic study of people and cultures from the perspective of the subject or observational participant.