An event in the probability that will never be happened is called as:Question 2Select one:a.Unsure eventb.Impossible eventc.Sure eventd.Possible event

To analyze the question, let's break down the options presented:

1. Understanding the Concepts:

   • An unsure event refers to an event whose occurrence is uncertain.
   • An impossible event is one that can never occur.
   • A sure event is an event that is certain to occur.
   • A possible event is one that has a chance of occurring but is not guaranteed.

2. Analysis:

   • Since the question specifically refers to an event that "will never happen," it aligns with the definition of an impossible event.

3. Conclusion: Based on these definitions, the correct answer to the question is:

Final Answer

b. Impossible event.