contestada

You randomly draw a marble from a bag of marbles that contains 7777 blue marbles, 2222 green marbles, and 1111 red marble. What is P(not draw a blue marble)\text{P(not draw a blue marble})P(not draw a blue marble)start text, P, left parenthesis, n, o, t, space, d, r, a, w, space, a, space, b, l, u, e, space, m, a, r, b, l, e, end text, right parenthesis? If necessary, round your answer to 2222 decimal places.

Respuesta :

mhanifa

Answer:

0.3

Step-by-step explanation:

There are:

  • Blue marbles = 7777
  • Green marbles = 2222
  • Red marbles = 1111

Total marbles:

  • 7777 + 2222 + 1111 = 11110

Then:

  • P ( not blue) = (2222+1111)/11110 = 0.3

Answer is: the probability of not draw a blue marble is 0.3