A Jar Contains 10 Red Marbles And 30 Blue Marbles

If the first two marbles are both blue what is the probability that the third marble will be red.

A jar contains 10 red marbles and 30 blue marbles.

A marble is drawn at random from the jar. A jar contains 12 red marbles numbered 1 to 12 and 6 blue marbles numbered 1 to 6. There are 55 marbles 25 of which are not red p getting a color other than red p 25 55 455 probability of this happening 3 times in a row is. Calculating the probability of obtaining a red marble.

Find the probability of the given event. A jar contains 10 red marbles and 30 blue marbles. The formula for calculating the probability is probability number of favourable outcomes total outcomes. A jar contains 4 black marbles and 3 red marbles.

A jar contains 8 red marbles numbered 1 to 8 and 10 blue marbles numbered 1 to 10. Add your answer and earn points. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. Two marbles are drawn without replacement.

A the marble is red b the marble is red or odd numbered c the marble is blue and even numbered answer by ikleyn 33701 show source. A jar contains 10 red marbles and 30 blue marbles. Suppose a jar contains 5 red marbles and 12 blue marbles. If the first two marbles are both blue what is the probability the third marble will be red.

If you reach in the jar and pull out 2 marbles at random at the same time find the probability that both are red 17 total marbles the 1st pick is 5 17 then 2nd is 4 16 the product is 5 68 makes no difference if you take 2 at a time or 2 different choices without. 1 see answer taytaysmith4553 is waiting for your help. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. The information shows that a jar contains 10 red marbles and 30 blue marbles.

Probability examples a jar contains 30 red marbles 12 yellow marbles 8 green marbles and 5 blue marbles what is the probability that you draw and replace marbles 3 times and you get no red marbles. A random sample of n 3 marbles is selected from the jar. A draw the tree diagram for the experiment. A jar contains 10 red marbles and 30 blue marbles.

A random sample without replacement of n 3 is deleted from the jar. Find the probability of the given event. A marble is drawn at random from the jar. What is the probability of randomly selecting a red marble from the jar.