A Jar Contains 10 Red Marbles

A jar contains 10 red marbles numbered 1 to 10 and 10 blue marbles numbered 1 to 10.

A jar contains 10 red marbles.

Calculating the probability of obtaining a red marble. A draw the tree diagram for the experiment. 10 x number of green marbles remains 30 hence total number of marbles becomes. Two marbles are drawn without replacement.

A jar contains 15 blue and 10 red marbles. 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. Now the number of red marbles becomes. A the marble is red.

The formula for calculating the probability is probability number of favourable outcomes total outcomes. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. Find the probability of the given event please show your answers as reduced fractions. 10 x 30 red marbles green marbles i e.

A marble is drawn at random from the jar. The answer is. Suppose a jar contains 5 red marbles and 12 blue marbles. A jar contains 10 red marbles and 30 blue marbles.

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 if one marble is drawn at random what is the probability that it is red. If the first two marbles are both blue what is the probability that the third marble will be red. A jar contains 8 red marbles numbered 1 to 8 and 10 blue marbles numbered 1 to 10.

35 let us consider the number of red marbles added be x. A random sample of n 3 marbles is selected from the jar. A jar contains 20 marbles. 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.

Find the probability of the given event. There are 25 possible outcomes p red 10 25 2 5 b if two marbles are drawn randomly what is the probability that the first is red and the second blue if the first marble is replaced in. 4 red 6 white and 10 blue. A marble is drawn at random from the jar.

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. A jar contains 12 red marbles numbered 1 to 12 and 6 blue marbles numbered 1 to 6. There are 10 ways to succeed. The information shows that a jar contains 10 red marbles and 30 blue marbles.

Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.