[Random Response] Update Translations

[nisha617]

This PR update the translations in util_rand_resp.

There are two issues:

• ImportError

We can merge this PR once we fix these two problems.

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[nisha617]

@HumphreyYang

There are some typos in the English version. The corresponding parts in the Chinese version were unchanged.

Do not merge until we fix them.

[Copilot]

Pull Request Overview

This PR updates the Chinese translations in the utility randomized response document (util_rand_resp.md) to improve clarity and consistency. The changes focus on refining mathematical notation, terminology standardization, and grammatical improvements.

Key changes include:

• Standardization of mathematical terminology (e.g., "响应" to "回答", "个人" to "个体")
• Improved clarity in mathematical expressions and conditional statements
• Enhanced readability of technical descriptions

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