Hideki Matsui’s lack of production in spring training no cause for alarm for Oakland A’s

Hideki Matsui’s lack of production in spring training no cause for alarm for Oakland A’s
Matsui isn’t hitting well this spring, but the A’s aren’t concerned
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What could be the cause of false alarms in a home alarm system (installed by a company, not a do it yourself)?

No pets on the premises.

What would be rate of resignation in a company that would be cause for alarm that there’s something wrong?

I’m plotting the number of resignations per month in our company and I was wondering if there is a rate or frequency that would be cause for alarm? What would be the rate so that the HR and the Management should be alarmed?