Tattoo Simulation

Författare/skapare:Steve Phelps

A Harris poll surveyed 2016 adults and found that 463 of them had one or more tattoos. Does the sample provide evidence that the percentage of adults who have a tattoo is less than 25%?

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רישום חופשי
Dividing a 2-digit number by a 1-digit number (1)

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Inskriven cirkel
Division
Likformiga trianglar
Cosinus
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