emugnierl17 emugnierl17
  • 15-01-2021
  • Mathematics
contestada

a bag contains 3 red marbles and 4 blue marbles.
a marble is taken at random from the bag and replaced.
another marble is taken from the bag.
work out the probability that the two marbles taken from the bag are the same colour.
give answer as a fraction.

Respuesta :

mekaiferguson mekaiferguson
  • 15-01-2021
It really should be 2/7.
Answer Link

Otras preguntas

What does Product Standard mean?
Can someone answer this please
Which of the following is NOT an important component of planning ahead? A figuring out necessary steps B. setting plausible limits C. constructing an inflexible
A circle has a radius of square route of 13 units and is centered at (-9.3, 4.1). Write the equation of this circle.
what is the value of (3/10)
Who is the mascot in Kanagawa, Japan
what is the answer to -12= -2x-4x
Where would you find an alluvial fan?
Enrique is writing a paper for his English class in which he claims that newspapers are going out of business because of the availability of online news source
If school officials made rules that prevented you and your friends, but not other students, from participating in after-school activities, what would you do? Ch