Probability of an Event The probability of an event, denoted as P(E), is the numerical measure of the likelihood that an event will occur. It is calculated by finding the quotient of the number of favorable outcomes and the total number of possible outcomes. In symbols, n(E) P(E)= n(S) where n(E) is the number of the elements in the event and n(S) is the number of the elements in the sample space. 1. If you flip two coins, what is the probability of getting 2 heads?
Probability of an Event The probability of an event, denoted as P(E), is the numerical measure of the likelihood that an event will occur. It is calculated by finding the quotient of the number of favorable outcomes and the total number of possible outcomes. In symbols, n(E) P(E)= n(S) where n(E) is the number of the elements in the event and n(S) is the number of the elements in the sample space. 1. If you flip two coins, what is the probability of getting 2 heads?
Chapter8: Sequences, Series,and Probability
Section8.5: The Binomial Theorem
Problem 77E
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Transcribed Image Text:Probability of an Event
The probability of an event, denoted as P(E), is the numerical measure of the
likelihood that an event will occur. It is calculated by finding the quotient of the number of
favorable outcomes and the total number of possible outcomes. In symbols,
n(E)
P(E)=
n(S)
where n(E) is the number of the elements in the event and n(S) is the number of the elements
in the sample space.
1. If you flip two coins, what is the probability of getting 2 heads?
2. A pair of dice is thrown, what is the probability of getting a result of prime number?
3. If a card is selected at random from a standard deck of 52 cards. What is the probability of getting a "black
jack?
4. Moira collects stamps from different countries. She has 10 different stamps from China, 5 from Thailand, 3
from France, 6 from USA and 1 from Venezuela. Her sister Lindsay borrows one stamp for a school
assignment. What is the probability that the stamp Lindsay borrows if from Thailand?
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