Question

A bowl contains 6 brown, 3 red, 4 yellow, and 2 blue pieces of candy. If you choose 2 at random (without replacing the first) what the probability that: a. the frrst is red and the second is yellow b. the flIst is yellow and the second is red c. one is red and the other is yellow (in either order)/ d. both are brown?

Answer #1

A bowl contains 5 candies - red, brown, yellow, blue, and
orange. Draw 2 candies at random, one for you to eat, and one for a
friend. What is the probability that you get one orange candy and
your friend does not get the red one?

For a certain candy, 20% of the pieces are yellow, 5% are
red, 15% are blue, 10% are green, and the rest are brown.
a) If you pick a piece at random, what is the probability that
it is brown? it is yellow or blue? it is not green? it is
striped?
b) Assume you have an infinite supply of these candy pieces from
which to draw. If you pick three pieces in a row, what is the...

For a certain candy, 10% of the pieces are yellow, 10% are
red, 15% are blue, 5% are green, and the rest are brown.
a) If you pick a piece at random, what is the probability that
it is brown? it is yellow or blue? it is not green? it is
striped?
b) Assume you have an infinite supply of these candy pieces from
which to draw. If you pick three pieces in a row, what is the
probability...

There is a bag we 12 pieces of candy; 1 blue, 1 yellow, 3 brown,
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Whats the prob that colors remain together in line? What if
1million people did this same task -- what the expected number of
people who will have colors in line?

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...

We have 3 bowls,
1) The first bowl contains 3 red and 2 green balls
2) the second bowl contains 2 red and 1 white balls
3) the third one contains 1 red and 3 green balls
One bowl by the random is selected and then 2 balls will be
drawn. what is the probability that both of these balls will be
red?

We have 3 bowls,
1) The first bowl contains 3 red and 2 green balls
2) the second bowl contains 2 red and 1 white balls
3) the third one contains 1 red and 3 green balls
One bowl by the random is selected and then 2 balls will be
drawn. what is the probability that both of these balls will be
red?

We have 3 bowls,
1) The first bowl contains 3 red and 2 green balls
2) the second bowl contains 2 red and 1 white
balls
3) the third one contains 1 red and 3 green balls
One bowl by the random is selected and then 2 balls
will be drawn. what is the probability that both of these balls
will be red?

A candy dish contains 6 blue candies and 5 red
candies. A child reaches up and picks 3 candies without
looking.
a) What is the probability that the child gets 3 blue
candies?
b) What is the probability the child gets at least one candy of
each colour?

Moments and Function Generator of Moments
An urn contains 4 red balls, 3 blue, 2 green and one yellow.
Three balls are obtained from this sample (without replacement).
Let X be the random variable that represents the number of red
balls that are extracted.
a) Find the probability function of the random variable X
b) Find the first moment of the random variable
c) Find the second moment of the random variable
d) Find the third moment of the random...

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