aimz3498 aimz3498
  • 16-07-2018
  • Mathematics
contestada

A student has 6 black marbles and 2 red marbles in his pocket. He selects one marble at random, looks at it and puts it back. Then he will select another marble at random. What is the probability that the student selects black marbles both times?

Respuesta :

Аноним Аноним
  • 16-07-2018

Total marbles = 6 + 2 = 8


p(black) = 6/8 = 3/4


p(both black) = 3/4 x 3/4 = 9/16


Answer: 9/16

Answer Link

Otras preguntas

Identify and explain one way that social hierarchies stayed the same in the period 1450-1750
A conical tent has a radius of 4.8 ft and a height of 4.8 ft. Doubling which dimension(s) will quadruple the volume of the tent?
What is the greatest possible turning points of f(x) = 6x^4+11^3-x^2+x^7
Tomatoes that regularly sell for $0.55 per pound are on sale for 20% off the regular price. What is the sale price?
For the polynomial f(x) = 2x4 – 8v? + 77-25 as X-> → -*f(x) – - DO
what is the domain of f? khan academy
Write as a product 4x^4+8x^3-2x^2
How to fix this? I need to save both
A company finds that an average of 20% of all new employees resign during the first year. Find the probability that among the next 15 employees hired, exactly f
In the data set below, what is the interquartile range? 11 13 36 48 54