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Write the sample space for the random experiment.

A student is asked how many points she earned on a recent 97-point test.

Choose the correct answer below.

A. [tex]\{1,2,3, \ldots, 97\}[/tex]

B. [tex]\{1,2,3, \ldots, 100\}[/tex]

C. [tex]\{97\}[/tex]

D. [tex]\{0,1,2, \ldots, 97\}[/tex]


Sagot :

To determine the sample space for the random experiment where a student is asked how many points she earned on a recent 97-point test, we need to consider all possible scores that the student could have obtained.

1. Understanding the Range of Scores:
- The test has a maximum score of 97 points.
- The minimum score that can be achieved is 0 points (if the student got everything wrong or didn't attempt the test).

2. Identifying All Possible Scores:
- The student can score any number from 0 to 97, inclusive.
- This means the possible scores are: 0, 1, 2, 3, ..., up to 97.

3. Constructing the Sample Space:
- The sample space is the set of all possible outcomes.
- Hence, the sample space should include every integer starting from 0 and ending at 97.

Now, let's evaluate the given options:
- Option A: [tex]$\{1,2,3, \ldots, 97\}$[/tex] starts from 1, missing 0.
- Option B: [tex]$\{1,2,3, \ldots, 100\}$[/tex] includes scores up to 100, which is more than the maximum possible score of 97.
- Option C: [tex]$\{97\}$[/tex] indicates only one possible score of 97, ignoring all other possible scores.
- Option D: [tex]$\{0, 1, 2, \ldots, 97\}$[/tex] correctly includes every possible score from 0 to 97.

After careful consideration, the correct answer is:
- Option D: [tex]$\{0,1,2, \ldots, 97\}$[/tex]

Thus, the sample space for the random experiment is [tex]$\{0,1,2, \ldots, 97\}$[/tex].
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