The Following Table Presents the Numbers of Customers Who -

question 5

Multiple Choice

The following table presents the numbers of customers who - after 2 weeks of use - were or dissatisfied with their newly-purchased computers.
$\begin{array}{ccccc}\hline & \text { Brand A } & \text { Brand B } & \text { Brand C } & \text { Brand D } \\\hline \text { Satisfied } & 38 & 26 & 21 & 44 \\\text { Dissatisfied } & 3 & 9 & 13 & 9 \\\hline\end{array}$

Can you conclude that the the satisfaction rate is related to the brand of computer? Use thi $\alpha = 0.05$ level of significance.

• A) Do not reject \(H _ { 0 }\). There is insufficient evidence to conclude that the satisfaction rate differs among the computer brands.
• B) Reject \(H _ { 0 }\). It appears that the satisfaction rates differ among the computer brands.

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Definitions:

Alcohol

A psychoactive substance commonly found in beverages like beer, wine, and spirits, known for its intoxicating effects.

Placebo Beverage

A drink given to participants in an experiment, which they believe contains active ingredients, but does not, used to measure psychological and physiological effects.

Casual Sex

Sexual activity that takes places outside the context of a serious relationship, often focusing on physical pleasure without emotional commitments or future expectations.

Alcohol

A chemical substance that is a central nervous system depressant and is consumed in beverages for its psychoactive effects, often leading to intoxication.