[Merged by Bors] - chore(Probability): typeclass generalizations

[RemyDegenne]

These typeclass generalizations are extracted from a list generated by a linter written by @JovanGerb .
See #mathlib4 > Linter for generalizing type class hypotheses @ 💬

---

[github-actions]

PR summary 6bbde83575

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

---

Declarations diff

++-- inv

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.

---

No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[grunweg]

Looks innocuous (and good) - but as not a probability theorist, I'd like a more familiar user's opinion.

[sgouezel]

bors d+
Thanks!

[mathlib-bors]

✌️ RemyDegenne can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

[RemyDegenne]

bors r+

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

• Build
• Lint style