Concept explainers
To explain:
The following event is independent event or not:
Randomly selection of multiple choice questions and its answers on guessed
Answer to Problem 9E
Randomly selection of multiple choice questions and its answers is independent event.
Explanation of Solution
Given information:
Event: Randomly selection of multiple choice questions and its answers on guessed
The given example is of the random selection by a student of questions and guesses for their answers in the examination is correctly or wrongly.
Here, two events are occurred. The first event A is the random selection of questions from examination paper and answered it correctly and then next event B is to select another questions from paper and answered them also correctly in the immediate draw.
So, understand that two events A and B are independent events since the chances of the correctly answers of the selected question in the event B is not dependent on the first event A of selection of some questions which are correctly answered.
Chapter 10 Solutions
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