The image above represents mutually exclusive. To calculate mutually exclusive, four essential parameters are needed and these are **x _{A}, N_{A}, x_{B}** and

**N**.

_{B}The formula for calculating mutually exclusive:

P(A or B) = P(A) + P(B)

Where;

P(A or B) = Mutually Exclusive

P(A) = ^{xA} ⁄ _{NA}

P(B) = ^{xB} ⁄ _{NB}

Let’s solve an example;

Find the mutually exclusive when the x_{A} is 12, N_{A} is 14, x_{B} is 9 and N_{B} is 17.

This implies that;

x_{A} = 12

N_{A} = 14

x_{B} = 9

N_{B} = 17

P(A or B) = P(A) + P(B)

So, P(A or B) = ^{xA} ⁄ _{NA} + ^{xB} ⁄ _{NB}

P(A or B) = ^{12} ⁄ _{14} + ^{9} ⁄ _{17}

That is, P(A or B) = ^{12(17) + 9(14)} ⁄ _{(14)(17)}

P(A or B) = ^{204 + 126} ⁄ _{238}

P(A or B) = ^{330} ⁄ _{238}

Dividing the numerator and denominator by **2**

P(A or B) = ^{165} ⁄ _{119}

P(A or B) = 1.386

Therefore, the **mutually exclusive **is **1.386.**

Read more: How to Calculate and Solve for P(A and B) | Probability

**How to Calculate and Solve for Mutually Exclusive Probability With Nickzom Calculator**

Nickzom Calculator – **The Calculator Encyclopedia** is capable of calculating the mutually exclusive.

To get the answer and workings of the mutually exclusive using the **Nickzom Calculator – The Calculator Encyclopedia. **First, you need to obtain the app.

You can get this app via any of these means:

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**Web** – https://www.nickzom.org/calculator-plus

To get access to the **professional **version via web, you need to **register** and **subscribe **for** NGN 1,500 **per** annum** to have utter access to all functionalities.

You can also try the **demo **version via https://www.nickzom.org/calculator

**Android (Paid)** – https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator

**Android (Free)** – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator

**Apple (Paid)** – https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8

Once, you have obtained the calculator encyclopedia app, proceed to the **Calculator Map, **then click on **Probability**** **under **Mathematics****.**

Now, Click on **Mutually Exclusive **under **Probability**

The screenshot below displays the page or activity to enter your values, to get the answer for the mutually exclusive according to the respective parameters which are the **x _{A}, N_{A}, x_{B}** and

**N**.

_{B}Now, enter the values appropriately and accordingly for the parameters as required by the **x _{A}** is

**12, N**is

_{A}**14, x**is

_{B}**9**and

**N**is

_{B}**17.**

Finally, Click on Calculate

As you can see from the screenshot above, **Nickzom Calculator**– The Calculator Encyclopedia solves for the mutually exclusive and presents the formula, workings and steps too.