an experiment consists of flipping a fair coin 4 times. What is the probability of obtaining at least one head?

Question

cinthiagonzales cinthiagonzales

15-02-2017
Mathematics

contestada

an experiment consists of flipping a fair coin 4 times. What is the probability of obtaining at least one head?

Respuesta :

Otras preguntas

Find Domain of the functionsquare root of (x-8)/x(x-9)

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

what is the answer for (20,8),(9,16) ?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

(10y^3+20y^2+55y)/5y

how is mass transit in cities a possible solution tk urban air pollution?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

LammettHash LammettHash · Answer 1 · 2017-02-16T21:11:44+01:00

LammettHash LammettHash

16-02-2017

[tex]\mathbb P(X\ge1)=1-\mathbb P(X=0)[/tex]

The probability of getting 0 heads in 4 tosses (or equivalently, 4 tails) is [tex]\dfrac1{2^4}=\dfrac1{16}[/tex].

So the desired probability is

[tex]1-\dfrac1{16}=\dfrac{15}{16}[/tex]

Answer Link