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 :

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

Otras preguntas

antonym for~impertinent A.polite B.secondary C.heartwarming D.clever

A lid on a circular container has a diameter of 9 cm. What is the approximate area of the lid? Use 3.14 to approximate pi and round your answer to the nearest h

which type of bond is between magnesium and oxygen?

A. A survey of 110 teachers showed that 28 of them have a second job. B. A survey of 90 teachers showed that 27 of them have a second job. C. A survey of 70 t

A major reason for the outbreak of the conflict between Arabs and Israelis was that in 1948 both groups?

Mr. Donaldson, a patient at New Hope Clinic where you work was in a couple of days ago for a service. Today, Mr. Donaldson, called stating his Medicare Claim wa

Which type of data is best represented by a histogram? A. data sets with some common elements B. parts of a total amount C. data that are compared using bar

Geico has seven colors of lanyard she is the three different colors to make a key chain how many different combinations can she choose

does china have a pure market economy

how many grains of sand is there at kirbys beach?