Single Event
A bag contains 4 red marbles, 16 yellow marbles, 5 purple marbles, 16 blue
marbles, and 10 green marbles. What is the probability of pulling out a red or a
green marble?
14/51
What is the theoretical/experimental probability of the following questions.
Martin flips a coin. What is the probability
that the coin will land on heads?
1/2
What is Mr. Williams' favorite instrument to play?
The guitar
Find the number of possible outcomes in the sample space.
Six books need to be placed on a shelf.
You randomly arrange the books on the
shelf from left to right.
720
A fair six-sided die is rolled and a coin is tossed. What is the probability that the die will show an even number and the coin will show tails
25%
If one letter is chosen at random from the word combed, what is the
probability that the letter chosen will be a "d"?
1/6
Gill rolls a number cube 78 times. How
many times can he expect to roll an odd
number greater than 1?
26
How many countries are in the world?
195
Find the number of possible outcomes in the sample space.
A spinner can land on either red or blue.
You spin ten times.
1024
Mr. Williams, the Math teacher, has six black, nine yellow, and two blue calculators. What is the probability that she will hand out a blue calculator to the first student, then had out a yellow calculator to the second student
6.6%
A dice cube has 6 sides that are numbered 1 to 6. If the cube is thrown once,
what is the probability of rolling an odd number?
1/2
Ron draws 16 cards from a deck of
52 cards. The deck is made up of cards
of four different colors—red, blue, yellow,
and green. How many of the cards drawn
can Ron expect to be green?
4
How many bones are in the human body?
206
Find the number of possible outcomes in the sample space.
When a button is pressed, a computer
program outputs a random even number
greater than 0 and less than 10. You press
the button six times.
4096
You chose a card from a standard deck of 52 cards. You return the card, shuffle, and select another card. What is the probability that both of those cards are clubs.
6.3%
The sides of a number cube have the numbers 9, 3, 5, 3, 7, and 9. If the cube is
thrown once, what is the probability of rolling a 9?
1/3
If Harriet rolls the number cube 39 times,
how many times can she expect to roll a
3 or 4?
13
How many people live in Belgium?
Round to the nearest 100 thousand
11.5 million
Find the number of possible outcomes in the sample space.
A spinner can land on either red, blue, or
green. You spin six times.
729
You roll a die 4 times. What is the probability that the die will show an even number the first 3 times, then show the number one the last time?
2.1%