A Jar Contains 10 Red Marbles And 30 Blue Marbles

Calculating the probability of obtaining a red marble.

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. 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. If the first two marbles are both blue what is the probability the third marble will be red. Add your answer and earn points.

A the marble is red b the marble is odd numbered c the marble is red or odd numbered d the marble is blue and even numbered. 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 random sample of n 3 marbles is selected from the jar.

What is the probability of randomly selecting a red marble from the jar. Suppose a jar contains 5 red marbles and 12 blue marbles. Asked 03 25 15 suppose a jar contains 11 red marbles and 37 blue marbles. A jar contains 12 red marbles numbered 1 to 12 and 6 blue marbles numbered 1 to 6.

Find the probability of the given event. A marble is drawn at random from the jar. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. A marble is drawn at random from the jar.

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. The formula for calculating the probability is probability number of favourable outcomes total outcomes. If you reach in the jar and pull out 2 marbles at random find the probability that both are red. Find the probability of the given event.

The information shows that a jar contains 10 red marbles and 30 blue marbles. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. A jar contains 10 red marbles and 30 blue marbles. A jar contains 8 red marbles numbered 1 to 8 and 10 blue marbles numbered 1 to 10.

A random sample without replacement of n 3 is deleted from the jar. 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 jar contains 4 black marbles and 3 red marbles. A jar contains 10 red marbles and 30 blue marbles.