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A states division of motor vehicles claims that 60% of teens pass their drivers test on the first attempt. an investigative reporter examines an srs of the dmv records for 125 teens, 86 of them passed the tests on their first try.

Sagot :

We will have that 125 will represent 100%, so 86 how much will represent?.

In order to solve for the percentage we want to know, we multiply the ammount we want to know the percerntage (86) times the total percentage (100%) and divide it by the total quantity (125):

[tex]P=\frac{86\cdot100}{125}\Rightarrow P=68.8[/tex]

From this we gather that the 68.8% of people pass in their first attempt.

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