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Describe the sample space \(S\) of the experiment and list the elements of the given event. (Assume that the coins are distinguishable and that what is observed are the faces or numbers that face up.) HINT [See Examples 1-3.] A letter is chosen at random from those in the word Mozart; the letter is neither \(a\) nor \(m\).

Short Answer

Expert verified
The sample space S in the experiment is all distinct letters in the word "Mozart": \(S = \{M, o, z, a, r, t\}\). The given event is selecting a letter that is neither 'a' nor 'm', so the elements of the given event E are: \(E = \{o, z, r, t\}\).

Step by step solution

01

List the distinct letters in the word Mozart.

The distinct letters in the word "Mozart" are: \(M\), \(o\), \(z\), \(a\), \(r\), and \(t\).
02

Define the sample space S.

In this experiment, the sample space S includes all 6 distinct letters from the word "Mozart". So, S could be represented as: \(S = \{M, o, z, a, r, t\}\)
03

List the elements of the given event satisfying the criterion.

The given event is selecting a letter from the word "Mozart" that is neither 'a' nor 'm'. So, we need to exclude 'a' and 'M' from the sample space S. The elements in the given event are: \(o\), \(z\), \(r\), and \(t\).
04

Write the elements of the given event in set notation form.

Let's denote the given event by 'E'. In set notation form, the elements of the given event E are: \(E = \{o, z, r, t\}\)

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Probability Experiment
In statistics and probability, a probability experiment is a process or action that results in distinct outcomes. Each of these outcomes is typically observable and quantifiable. When conducting a probability experiment, we define all possible results to encompass what is known as the sample space.
For example, if we randomly select a letter from the word "Mozart," we are conducting a probability experiment. The experiment's outcome depends on which letter is selected, and the full set of possible outcomes is the sample space.
With each probability experiment, being clear about the parameters and possible results helps us later understand and calculate probabilities.
Set Notation
Set notation is a mathematical way to describe and represent collections of objects or numbers. It is particularly useful in probability because it allows us to clearly define sample spaces and events. Sets are typically written using curly braces. The elements inside these braces represent the different outcomes or members of the set.
For instance, in the word "Mozart," if we list the distinct letters contained in it, we could use set notation to represent them as: \( S = \{ M, o, z, a, r, t \} \)
Here, the set \( S \) represents the sample space of our probability experiment, encompassing every letter that could be selected in the experiment.
Distinct Letters
When working with probability experiments related to letters or words, understanding the concept of distinct letters is important. Distinct letters are the unique characters found within a given word or phrase.
For example, with the word "Mozart," the distinct letters are \( M, o, z, a, r, \) and \( t \). Each one represents a unique possibility within the sample space for any probability experiment involving the selection of letters from "Mozart."
Noticing which letters are distinct is critical, as it influences how we determine both the sample space and the events involving these letters.
Event Description
An event in probability theory is a specific outcome or a group of outcomes from the sample space that share a common characteristic. For instance, when the task is to select a letter from the word "Mozart" that is neither \(a\) nor \(m\), we define the event according to this rule.
For the word "Mozart," where the sample space \(S\) includes \( M, o, z, a, r, t \), the specific event \(E\) can be written in set notation after excluding \(a\) and \(m\) as: \( E = \{ o, z, r, t \} \)
This event description helps us focus only on outcomes that matter for our current problem. It filters the relevant results according to the conditions or criteria given in the problem statement.

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Most popular questions from this chapter

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