Simple Probability 1
Probability of rolling a six sided die and landing on a 3?
1/6
There are 1 red marble, 2 orange marbles, 3 yellow marbles, and 4 green marbles in a bag. Suppose one marble is selected. What is the probability of selecting an orange marble? Express as a percent. P(orange)
20%
To find the compound probability of two fractions you _____________ across.
Multiply
If a fair coin is tossed three times, what is the probability of getting tails three times in a row? P(three tails)
1/8
m/2 = 2
m=4
What is the process called when a caterpillar turns into a butterfly?
Metamorphosis
You roll a 20 sided die. What is the probability of rolling an odd number?
3/6 or 1/2
Use a standard deck of cards. What is the probability of pulling out a diamond? Express as a percent. P(diamond)
*There are 52 cards in a deck and 13 diamonds!
25%
What is the probability of tossing two fair coins with tails side up? P(tails)
1/4
A normal die is rolled and a spinner labeled with letters A - E is spun. Find the probability of landing on 3 and E. P(3 and E)
1/30
3d + 22 = 34
d = 4
Which two planets don't have moons? (1/2 points if you only get one)
Mercury and Venus
Probability of rolling a six sided die and landing on a 1 or a 6?
2/6 or 1/3
Use a standard deck of cards. What is the probability of not pulling out a 5? Express as a fraction.
*Hint: there are 4 fives in a deck of cards.
48/52 or 12/13
Rick takes two coins at random from the 3 quarters, 5 nickels, and 2 pennies in his pocket. What is the probability that he chooses a quarter followed by a nickel?
1/6
A normal die is rolled and a spinner labeled with the letters A - E is spun. Find the probability of landing on an odd number and a consonant. P(an odd number and a consonant)
9/30
-5b-32 = -22
b = -2
What is the largest desert in the world?
Antarctica
Probability of flipping a coin and getting neither heads nor tails?
0/2 or 0
Letter tiles A - Z are placed in a bag. What is the probability of pulling out a vowel (not including y)? Express as a fraction. P(vowel)
5/26
Two red marbles and two white marbles are placed in a bag. What is the probability of pulling a red marble, followed by a white marble, without putting the first marble back? P(red, then white)
4/12 = 1/3
There are 1 red marble, 2 orange marbles, 3 yellow marbles, and 4 green marbles in a bag. Once a marble is drawn, it is not replaced. Find the probability of picking an orange marble and then a green marble. P(orange then green)
1/9
3(y - 2) = -3
y = 1
What is the smallest ocean on Earth?
Arctic Ocean
Suppose two-six sided dice are rolled. Find the probability of rolling the sum of 7. P(sum of 7)
6/36 or 1/6
What is the probability of picking an I from the word MULTIPLYING? Express your answer as a fraction in simplest form, decimal AND percent.
\frac(2)(11)=0.\bar(18) = 18.\bar(18)%
On a five question multiple choice quiz, what is the probability that the right answer to all the questions is C? Each question has three choices: A, B, C.
1/243
Mario's clothes closet contains 3 blue shirts, 10 white shirts, and 7 striped shirts. What is the probability that Mario will reach in and randomly select a white shirt, not replace it, followed by a striped shirt? P(white, then striped)
7/38
-p/5+4=14
p = -50
What does the acronym “PDF” stand for?
Portable Document Format