probability, Statistics

Question

Consider a scenario that you when to a shop where you are the fourth person in the line to purchase the item (you only want to purchase bottle), shop keeper only has two bottle and one ice cream left. All four person do not have any clue that shop keeper only left with few items. Thus, there is an equal chance that everyone can either for bottle or ice cream. Everyone in the line planned to purchase only one item.

 

Now answer the following questions.

a)    What is the probability that you will get the bottle? (Note: first three person will request for the item that they planned to purchase either it is available or not)  

b)    Draw a tree diagram and identify that which type of distribution this problem falls in. Justify you answer                                                                                                                          

Answer 1

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