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The table shows coffee preference from a survey. …If a person is chosen at random in the survey what is P (regular or creamer)?

The Table Shows Coffee Preference From A Survey If A Person Is Chosen At Random In The Survey What Is P Regular Or Creamer class=

Sagot :

The formula we will use to calculate the probability is given to be:

[tex]P(A\text{ or }B)=P(A)+P(B)-P(A\cap B)[/tex]

Let A represent regular and B represent creamer.

We have the following parameters:

[tex]\begin{gathered} P(A)=0.78 \\ P(B)=0.41 \\ P(A\cap B)=0.32 \end{gathered}[/tex]

Therefore, we can calculate the probability to be:

[tex]\begin{gathered} P(A\text{ or }B)=0.78+0.41-0.32 \\ P(A\text{ or }B)=0.87 \end{gathered}[/tex]

The FOURTH OPTION is correct.

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