dustydustlol989 dustydustlol989
  • 09-02-2024
  • Mathematics
contestada

There are n persons sitting in a row. Two of them are selected at random. The probability that the two selected persons are not together, is
a. 2/n
b. 1 āˆ’ 2/n
c. n(nāˆ’1)/(n+1)(n+2)
d. None of these

Respuesta :

Otras preguntas

Select the properly written and balanced equation for the following chemical reaction: Aqueous solutions of sodium hydroxide and iron (III) nitrate react to p
4x+3y-1=0 and 3x-y+2=0,find slope
What does darkness symbolize in My father sits in the dark?
Can someone plss help me click the photo
molecular formula for C4H10
may someone help me out with this please
Can someone please answer. There is one problem. There's a picture thank you!
Which equation does not have the same solution as the others? x over 4 = 2 x - 9 = 17 x + 12 = 20 2x = 16
how the biosphere hydrosphere geosphere and atmosphere are interconnected
Solve the analogy. square:triangle::_____:square