IjUstWantAnswers45 IjUstWantAnswers45
  • 04-08-2018
  • Mathematics
contestada

The train station runs trains every 30 minutes. Find the probability that a passenger who arrives at a random time will not have to wait more than 20 minutes. A. 1/3 B. 1/2 C. 2/3 D. 25/30

Respuesta :

konrad509
konrad509 konrad509
  • 04-08-2018

[tex] |\Omega|=30\\
|A|=20\\\\
P(A)=\dfrac{20}{30}=\dfrac{2}{3}\Rightarrow \text{C} [/tex]

Answer Link

Otras preguntas

Why did the ostrich run away as fast as it could?​
In general atmosphere pressure is greater near earth’s surface and -as you move upward away from sea level
Find the following measure for this figure. 12 10
HELP Which of these is the best revision of the sentence??
how did akhenaten's reforms affect people?
this is due in 39 minutes pls help I'm confused
Pilar is doing research on the USS Maine for a paper. What would be the best choice as a source for information?
yx(y+1) + 4x(y + 1) - 5(y + 1) factor
During Reconstruction, the passage of the Thirteenth Amendment
A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. She and her parachute have a mass of 58.0 kg and air resista