1. Em uma fábrica de potes de plastico, observou-se no controle de qualidade que 1 em cada 10 potes apresentava algum tipo de defeito. Qual a probabilidade de escolher um pote aleatoria- mente dessa fábrica e ele não possuir defeito algum?

Jenny carries out another experiment. This time, she picks out a marb records the colour and does not put it back in the bag. She does this twice. Draw a tree diagram for this experiment.

b. Use your tree diagram to calculate the probability that Millie spins be spinners and gets 2 fours.

c. Use your tree diagram to calculate the probability that Jenny does not choose any blue marbles.

12) A dice shows the numbers 1 through 10 , with one number showing each time the die is rolled. What is the probability of rolling a 2 ?

Question A student rolls two 6-sided dice and adds the two numbers together. What is the probability that the sum will not be 2? Write your answer as a simplified fraction. Sorry, that's incorrect. Try again?