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If a coin is flipped 20 times and a head comes up 9 times, what is the relative frequency of a head coming up?
a.0.50
b.0.45
c.0.35
d.0.40

Respuesta :

iCarl
[tex]\sf Hello![/tex]

• [tex]\sf Number\: of \:times \:head \:came\: up = 9[/tex]
• [tex]\sf Number \:of \:times \:coin \:is \:flipped = 20[/tex]

[tex]\sf Relative\: frequency\: of \:head \:coming \:up[/tex] :

= [tex]\dfrac{\sf 9}{\sf 20} × \sf 100[/tex] %

= [tex]\sf 9 × 5[/tex]

= [tex]\sf 45[/tex] %

= [tex]\dfrac{\sf 45}{\sf 100}[/tex]

= [tex]\sf 0.45[/tex]

[tex]\sf Hence,[/tex]
[tex]\sf Realtive\: frequency\: of\: head \:coming\: up\: is \:B.\:0.45[/tex]

~ [tex]\sf iCarl [/tex]

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