It has gotten much more strict recently. Typically one day a week, but that may not be as flexible as it used to be (ie. you can’t always work from home on Friday).
You might be able to work 1 day a week off-site. Unless you are part of the senior leadership team in which case you can work whenever, wherever. They are fairly invisible.
Average. There isn’t much of a policy. It depends on your boss.
You can work from home a day per week depending on your manager.
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