Tips for Solving Probability Problems Before Exam

AI Thread Summary
To effectively tackle probability problems, focus on identifying key terms in questions that indicate whether to use permutations or combinations, such as "arrange" or "order." Recognize independent events, like coin flips and dice rolls, which do not affect each other's outcomes. Practice differentiating between scenarios that require these concepts to enhance problem-solving speed. Familiarity with common examples and practice problems can significantly improve confidence before the exam. Understanding these principles will aid in quickly determining the appropriate approach to various probability questions.
lorik
Messages
38
Reaction score
0

Homework Statement


Tomorrow I am having probability exam ,but the main issue remains. I need tips in solving problems. Example ,when would the question be related to permutation or independent events or else .I know how to solve it which is pretty easy in probability but I need more tips please share tips .
Thanks


Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
lorik said:

Homework Statement


Tomorrow I am having probability exam ,but the main issue remains. I need tips in solving problems. Example ,when would the question be related to permutation or independent events or else .I know how to solve it which is pretty easy in probability but I need more tips please share tips .

Well for permutations, if they ask for arrange or order, you need to consider permutations and combinations.

As for the independent events, things like flipping a coin and rolling dice are examples of independent events.
 
I picked up this problem from the Schaum's series book titled "College Mathematics" by Ayres/Schmidt. It is a solved problem in the book. But what surprised me was that the solution to this problem was given in one line without any explanation. I could, therefore, not understand how the given one-line solution was reached. The one-line solution in the book says: The equation is ##x \cos{\omega} +y \sin{\omega} - 5 = 0##, ##\omega## being the parameter. From my side, the only thing I could...
Back
Top