26) Seven cards cachcotaining one of the letters in the word "AIABAMA are placed in a box. If one card is chosen at random, what is the probability that the card chosen will be an A?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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### Probability Question on Letter Selection

#### Question 26:
Seven cards, each containing one of the letters in the word "ALABAMA," are placed in a box. If one card is chosen at random, what is the probability that the card chosen will be an A?

**Options:**
A) \( \frac{1}{7} \)  
B) 7  
C) \( \frac{2}{3} \)  
D) \( \frac{1}{2} \)

#### Explanation:

To solve this probability question, we need to determine the number of favorable outcomes and the total number of possible outcomes. 

- **Total Number of Cards:** 7 (since there are 7 letters in "ALABAMA")
- **Number of A's in the word "ALABAMA":** 4

The probability \( P \) of selecting an 'A' is given by the formula:
\[ P(\text{'A'}) = \frac{\text{Number of 'A's}}{\text{Total Number of Cards}} \]

Substituting the values:
\[ P(\text{'A'}) = \frac{4}{7} \]

Therefore, the correct answer is not provided in the options given. The understanding of the problem and the approach to solve it is important despite the error in the given choices.
Transcribed Image Text:### Probability Question on Letter Selection #### Question 26: Seven cards, each containing one of the letters in the word "ALABAMA," are placed in a box. If one card is chosen at random, what is the probability that the card chosen will be an A? **Options:** A) \( \frac{1}{7} \) B) 7 C) \( \frac{2}{3} \) D) \( \frac{1}{2} \) #### Explanation: To solve this probability question, we need to determine the number of favorable outcomes and the total number of possible outcomes. - **Total Number of Cards:** 7 (since there are 7 letters in "ALABAMA") - **Number of A's in the word "ALABAMA":** 4 The probability \( P \) of selecting an 'A' is given by the formula: \[ P(\text{'A'}) = \frac{\text{Number of 'A's}}{\text{Total Number of Cards}} \] Substituting the values: \[ P(\text{'A'}) = \frac{4}{7} \] Therefore, the correct answer is not provided in the options given. The understanding of the problem and the approach to solve it is important despite the error in the given choices.
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