Which Sentence Is Expressed Correctly

question 15

Multiple Choice

Which sentence is expressed correctly?

• A)Roberto was reimbursed for the hotel room, wasn't he?
• B)Roberto was reimbursed for the hotel room wasn't he?
• C)Roberto was reimbursed for the hotel room, wasn't he.

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Definitions:

Categories

Distinct groups or classes into which data can be classified.

Expected Frequency

The number of times an event is predicted to occur within a specified number of trials or over a given period of time, based on probability.

Observed Frequency

The count of occurrences or instances of a particular event or characteristic in a data set.

Chi-squared Distribution

A distribution used in statistics to test hypotheses about the frequency distribution of observed data compared to the expected distribution if the null hypothesis is true.