sop41 sop41
  • 04-07-2019
  • Mathematics
contestada

Three red and three blue flags are arranged randomly along
a wire. What is the probability that the six flags alternate in
color?
A. 1/20
B. 1/10
C. 1/4
D. 1/2​

Respuesta :

konrad509
konrad509 konrad509
  • 04-07-2019

[tex]|\Omega|=\dfrac{6!}{3!3!}=\dfrac{4\cdot5\cdot6}{2\cdot3}=20\\A=\{RBRBRB,BRBRBR\}\\|A|=2\\\\P(A)=\dfrac{2}{20}=\dfrac{1}{10}[/tex]

Answer Link
alremiy alremiy
  • 04-07-2019
The answer would be B
Answer Link

Otras preguntas

Maze phrase for fractions
As the tide of the Seven Years’ War (French and Indian War) turned in Britain’s favor, the Iroquois _____. allied with the French sided with the British attacke
A. A band leaves a free T-Shirt under every 6th seat at a concert. They leave a free backstage pass under every 4th Street. Which of these seat numbers get a
What is the surface area of the prism
how fast would a meter stick be moving if the observer measures a length of 60 cm.
Rhythmic flamenco hand-clapping is called las ____?
83333333 as a fraction
Should students be able to use their phones during class
3. The three salespeople for a local advertising firm are Lola, Ahmed, and Tommy. Lola sold $2030 in ads, Ahmed sold $1540, and Tommy sold $1800. (a) What frac
State the X- and Y- intercepts of each function. -1/2x + 3y = -3