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

The endocrine system is responsible for the sexual maturation that teenage bodies experience, true or false?
a company pays $379.50 for its employees to attend a luncheon. if the cost is $8.25 per person, how many employees does the company have?
What do you think about fast growing salmon?
chlamydia, if left untreated:
Which quadrilateral always has two pairs of parallel sides and four right angles? a. kite b. parallelogram c. trapezoid d. rectangle
why should people in the northern hemisphere be concerned about rain forests in the southern hemisphere
the primary language spoken in brazil is spanish
what is the easiest way of borrowing money? 1) credit cards; 2) home loans; 3) auto loans; 4) student loans
what is 3/10 out of 40
give two reasons why employers wanted children as factory workers