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

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 Neolithic Revolution refers to the time when early humans were beginning to do what?

ben has 3 times as many guppies as goldfish. if he has a total of 20 fish, how many guppies does in have

What is 0.80 as a fraction

What percent of 150 is 9?

what is 3/4 times 1/2 and what is 1.5 times 0.75 and then i need to figure out how much bigger the answer is to 1.5 times 0.75 is to 3/4 times 1/2

Armando bought 45 baseball cards. Of the 12 friends he invited to his cookout, half of them were able to attend. Armando gave each of his friends at the cookout

What is the evidence that Parliament held the REAL authority in the English constitutional monarchy?

How do I solve a problem like this? m-4=2m

the _______ is where the geosphere meets the ocean

What type of map shows you mountains,rivers,and lakes