Vocabulary
In probability, this is all possible outcomes
sample space
The possible outcomes for rolling a number is this
{1, 2, 3, 4, 5, 6}
A coin is tossed four times. What is the probability of getting tails each time?
1/16
Refer to the spinner on page 883. What is the probability of the pointer landing on red?
5/36
The number of ways that 12 runners can win first, second, and third place.
1320
If A and B are independent, the P(A and B) = P(A) and P(B) are joined by this operation
multiplication
The outcomes for the complement of rolling an odd number is this.
{2, 4, 6}
A jar contains 10 quarters, 8 dimes, 7 nickels, and 3 pennies. A coin is selected at random, not replaced, then another coin is selected. Find P(dime, then nickel).
2/27
Refer to the spinner on page 883. What is the probability of the pointer not landing on purple or yellow?
7/12
The number of ways to arrange the letters in the word JOURNEY
5040
The number of possible outcomes in a sample space can be found by multiplying the number of possible outcomes from each stage or event.
Fundamental Counting Principle
This is the probability of getting a number greater than 4.
1/3
A card is chosen from a standard deck, not replaced, then another is chosen. What is the probability that both cards are hearts?
1/17
Refer to the spinner on page 883. What is the probability of the pointer landing on a multiple of 10 degree measure?
7/12
The number of ways to form groups of three from a pool of 15 people
455
A ___________ is an arrangement of objects in which order is not important, and a ___________ is an arrangement of objects in which order is important.
This is the probability of getting a prime number
1/2
A letter from the word BOOKKEEPER is chosen at random, not replaced, then another letter is chosen. What is the probability of choosing a K then an E?
1/15
The targets of a dartboard are formed by 3 concentric circles. If the diameter of the center circle is 4 inches and the circles are spread 3 inches apart, what is the probability that a player will throw a dart into the center circle?
1/16
To enter a video call with their teacher, each student must enter a unique passcode that begins with 3 capital letters that do not repeat. What is the probability that a student's passcode begins with ABC?
1/15600
The __________ of event A is all elements that are not in event A. The __________ of events A and B are all elements that are in both A and B. The __________ of events A and B are all elements that are in A or B.
complement; intersection; union
If a letter in the word MATHEMATICIAN is chosen at random, what is the probability of choosing a consonant?
7/13
A coin is tossed three times. What is the probability of getting at least 2 heads?
1/2
Find the probability for page 885 #30. Exact answer.
(4-pi)/4
A class contains 10 girls and 12 boys. If a group of 4 people is formed from this class, what is the probability that they are all girls?
6/209