Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
10. Combinatorics & Probability
Probability
Problem 40
Textbook Question
In Exercises 39–44, you are dealt one card from a 52-card deck. Find the probability that you are not dealt a picture card.
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1
Understand that a standard 52-card deck consists of 4 suits: hearts, diamonds, clubs, and spades, each with 13 cards.
Recognize that picture cards are the Jack, Queen, and King in each suit, totaling 3 picture cards per suit.
Calculate the total number of picture cards in the deck by multiplying the number of picture cards per suit (3) by the number of suits (4).
Subtract the total number of picture cards from the total number of cards in the deck to find the number of non-picture cards.
Divide the number of non-picture cards by the total number of cards in the deck to find the probability of not being dealt a picture card.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Probability
Probability is a measure of the likelihood that a particular event will occur, expressed as a number between 0 and 1. In this context, it quantifies the chance of not being dealt a picture card from a standard deck of cards. The formula for probability is the number of favorable outcomes divided by the total number of possible outcomes.
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Deck of Cards
A standard deck of cards consists of 52 cards divided into four suits: hearts, diamonds, clubs, and spades. Each suit contains 13 cards, including numbered cards (2-10) and face cards (Jack, Queen, King). Understanding the composition of the deck is essential for calculating probabilities related to specific card types, such as picture cards.
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Complementary Events
Complementary Events
Complementary events are pairs of outcomes where one event occurs if and only if the other does not. In this scenario, the event of being dealt a picture card and the event of not being dealt a picture card are complementary. The probability of not being dealt a picture card can be calculated by subtracting the probability of being dealt a picture card from 1.
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