A Multiple-Choice Test Has 30 Questions and Each One Has

question 142

Multiple Choice

A multiple-choice test has 30 questions and each one has five possible answers,of which one is correct.If all answers were guesses,find the probability of getting exactly four correct answers.

• A).0604
• B).1325
• C).2552
• D).8000

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Definitions:

T-test

A statistical test used to determine if there is a significant difference between the means of two groups.

Participants

Individuals who take part in a study, experiment, or any form of research, providing data for analysis.

Independent Means

Refers to the average values of two groups that are not related or dependent on each other.

T-test

An analysis technique employed to assess whether there is a significant difference between the average values of two distinct groups.