courtneycostaaa courtneycostaaa
  • 07-03-2019
  • Mathematics
contestada

a coin is flipped 8 times determine the probability that a least 1 heads appear face up​

Respuesta :

dannyc0413 dannyc0413
  • 07-03-2019

Answer:

1/8 chance

Step-by-step explanation:

if you flipped it 8 times then you will have a 1 in 8 chance

Answer Link
krlosdark12
krlosdark12 krlosdark12
  • 06-10-2019

Answer:

the probability is 99.6%

Step-by-step explanation:

The probability of having at least one head is:

[tex]P(x)=1-P(NoHead)[/tex]

The probability of having no heads is given by:

[tex]P(NoHead)=P(tail)^{n}=(\frac{1}{2})^8=\frac{1}{256}[/tex]

so:

[tex]P(x)=1-\frac{1}{256}=\frac{255}{256}=99.6\%[/tex]

Answer Link

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