Question

Felix has 4 green marbles and 3 red marbles in his left coat
pocket. He has 6 green marbles and 8 red marbles in his right coat
pocket. If he transfers one marble at random from his right pocket
to his left, what is the probability of his then drawing a red
marble from his left pocket?

Answer #1

A bag contains three red marbles, one yellow marble, and six
green marbles. Two marbles are drawn from the bag with replacement.
One marble is drawn, the color is recorded, and the marble is
returned to the bag. A second marble is drawn from the bag and the
color is recorded.
a. What is the probability that both marbles are yellow?
b. What is the probability that both marbles are red?
c. What is the probability of drawing one green...

A bag contains 8 blue marbles, 3 red marbles, 7 yellow marbles.
If one marble is drawn from the bag then replaced, what is the
probability of drawing a blue marble then a yellow marble?
In a number guessing game. You ask a person to guess a number
from one 1 to 10. If the person makes a random guess, what is the
probability their guess will be less than 3?
A bag contains 3 white marbles, 7 yellow marbles,...

A bag contains 3 red marbles, 5 blue marbles, 8 yellow marbles,
and 7 green marbles. What is the probability of choosing a yellow
or green marble when one marble is drawn?

A bag contains 3 red marbles, 5 blue marbles, 8 yellow marbles,
and 7 green marbles. What is the probability of choosing a yellow
or green marble when one marble is drawn?

1. A bag contains 10 black marbles, 8 red marbles, 7
yellow marbles. If one marble is drawn from the bag then replaced,
what is the probability of drawing a black marble then a yellow
marble?
2. In a number guess game you ask a person to guess a
number from 1 to 10. If the person makes a random guess, what is
the probability their guess will be less than 4?
3. A bag contains 8 blue marbles, 7...

A student has 4 marbles with colors: green, green, red, and
white. He picked all the marbles, at random without looking, one at
a time, and placed the balls, one at a time, after each pick at a
corner of a square. What is the probability that the green balls
will be at the opposite corners of the square?

A jar contains 6 red marbles, 9 green marbles, and 3 blue
marbles. Suppose you draw three marbles, without replacement.
A) Draw a probability tree to represent this experiment.
B) What is the probability that you draw a red marble?
C) What is the probability that you draw 3 green marbles in a
row?
D) What is the probability that you draw one of each color?

A jar of marbles has 8 yellow, 3 red, and 9 green marbles. You
select 1 marble, put it back, and then select another. What is the
probability that you choose 2 red marbles? Express the probability
as a fraction in simplest terms. Show your work.
What is the probability that you choose 2 red marbles?

A glass jar contains 1 red, 3 green, 2 blue, and 4 yellow
marbles. Two people are drawing from one jar one after the other.
Determine the probability of the following events occurring.
A) the first person draws and keeps a yellow marble and then the
second person draws a green marble
B) the first person draws and keeps a blue marble and then the
second person draws a red marble
C) the first person draws and keeps the green...

12) A box contains 8 green marbles, 6 blue marbles, and 3 red
marbles. Three marbles are selected at random from the box, one at
a time, without replacement. Find the probability that all three
marbles selected are green. Round your answer to four decimal
places.

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