A few probability problems that are sure to help you out!

Are you interested in going through a few probability problems? Well that’s a good thought as practicing on probability math problems is truly going to enhance your skills! If truth be told, solving probability problems for practice sakes is highly recommended for every single student out there who wish to excel in class. Here are a couple probability problems and solutions that are sure to help you out:
Example 1:
Let us assume that we are about to roll a die. Here, you need to find the probability that upon rolling, the die is going to give out an even number. Solution:
When solving this probability problem, it is necessary for us to initially work out the sample space of the experiment and denote it by S. Herein, S = {1, 2, 3, 4, 5, 6}
Now, the event that we would obtain an even number is to be denoted by E, wherein E = {2, 4, 6}
To solve this particular problem, we now make use of the formula of probability wherein:
P (E) = n (E) / n (S)
When we input the data, we will get:
3/6 = ½

A few probability word problems

Here are a couple probability word problems that you can work on:
If we are to toss two coins, what is the probability that we will obtain two heads?
Solution:
The first thing that you need to know when learning how to solve probability problems of this sort is that when you toss a coin, there are two outcomes that you can obtain. One delivers Heads or H, and the other delivers Tails or T.
The sample space for this problem is denoted by S and is: S = {(H,T), (H,H), (T,H), (T,T)}
Now let’s consider that E is the event that you would obtain two heads, or {(H,H)}. Moving on, let us apply the formula of probability:
P (E) = n (E) / n (S)
P (E) = ¼

A couple probability practice problems

Solving probability practice problems isn’t easy – it just needs, well, a bit of practice. On the whole, learning how to do probability problems or doing simple probability problems is actually a lot of fun. Here are a few more for you to work on:
In a bag, we have 5 marbles. Amongst these 5, only 1 is red, whereas the other 4 are blue. What is the possibility that we will pick a blue marble?  Herein, the event that we would pick a blue marble is 4, whereas the total number of outcomes is 5. Now, the probability that we would acquire a blue marble would be: 4/5 = 0.8


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