Marbles In A Box Answer

Age 11 to 16 challenge level.

Marbles in a box answer.

Consider an experiment where two marbles are drawn from the box. Expert answer 100 1 rating previous question next question transcribed image text from this question. Express your answer as a fraction or a decimal number rounded to four decimal places. Are the two trials independent or dependent.

Marbles in a box. A random experiment is performed in two sequential trials by first drawing a marble randomly from box a and putting into box b. The box is made from 27 transparent unit cubes arranged in a 3 by 3 by 3 array. Box b contains 7 white and 4 black marbles.

Answer the following questions. If the first marble chosen was a white marble what is the probability of choosing without replacement another white marble. In the second trial after the first trial a marble is drawn randomly from box b. A assume that the first marble is replaced in the box before drawing the second marble.

Box b contains 7 white and 4 black marbles. A random experiment is performed in two sequential trials by first drawing a marble randomly from box a and putting into box b. A random experiment is performed in two sequential trials by first drawing a marble randomly from box a and putting it into box b. Imagine a three dimensional version of noughts and crosses where two players take it in turn to place different coloured marbles into a box.

A box contains 16 green marbles and 5 white marbles. A box contains three marbles. Box b contains 7 white and 4 black marbles. In the second trial after the first trial a marble is drawn randomly from box b.