A Jar Contains 10 Red Marbles

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. 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.

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A jar contains 15 blue and 10 red marbles.

A jar contains 10 red marbles.

The information shows that 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. Find the probability of the given event.

There are 10 ways to succeed. 10 x number of green marbles remains 30 hence total number of marbles becomes. 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 jar contains 12 red marbles numbered 1 to 12 and 6 blue marbles numbered 1 to 6.

Now the number of red marbles becomes. A if one marble is drawn at random what is the probability that it is red. Find the probability of the given event please show your answers as reduced fractions. A draw the tree diagram for the experiment.

The answer is. A jar contains 8 red marbles numbered 1 to 8 and 10 blue marbles numbered 1 to 10. A the marble is red. Find the probability of the given event.

A marble is drawn at random from the jar. 10 x 30 red marbles green marbles i e. A jar contains 20 marbles. A random sample of n 3 marbles is selected from the jar.

Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. 4 red 6 white and 10 blue. A jar contains 4 black marbles and 3 red marbles. A marble is drawn at random from the jar.

35 let us consider the number of red marbles added be x. A jar contains 10 red marbles numbered 1 to 10 and 10 blue marbles numbered 1 to 10. A marble is drawn at random from the jar. Suppose a jar contains 5 red marbles and 12 blue marbles.

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. 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. Calculating the probability of obtaining a red marble. 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.

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