A Jar Contains 10 Red Marbles

A random sample of n 3 marbles is selected from the jar.

A jar contains 10 red marbles.

10 x number of green marbles remains 30 hence total number of marbles becomes. Now the number of red marbles becomes. Find the probability of the given event. 35 let us consider the number of red marbles added be x.

A jar contains 20 marbles. Suppose a jar contains 5 red marbles and 12 blue marbles. The formula for calculating the probability is probability number of favourable outcomes total outcomes. A if one marble is drawn at random what is the probability that it is red.

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 from a jar containing 4 black and 6 white marbles. A draw the tree diagram for the experiment. 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.

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. Calculating the probability of obtaining a red marble. If you remove marbles one at a time randomly what is the minimum number that must be removed to be certain that you have at least 2 marbles of each colour. A marble is drawn at random from the jar.

A jar contains 8 red marbles numbered 1 to 8 and 10 blue marbles numbered 1 to 10. Find the probability of the given event please show your answers as reduced fractions. 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 4 black marbles and 3 red marbles.

A jar contains 10 red marbles numbered 1 to 10 and 10 blue marbles numbered 1 to 10. 4 red 6 white and 10 blue. There are 10 ways to succeed. The information shows that a jar contains 10 red marbles and 30 blue marbles.

A marble is drawn at random from the jar. A the marble is red. A jar contains 10 red marbles and 30 blue marbles. Two marbles are drawn without replacement.

The answer is. 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 jar contains 15 blue and 10 red marbles.

10 x 30 red marbles green marbles i e.