Start with a phone interview, and then an on-site interview for a sequential 1:1. No group interview.
Not to my awareness.
The following metrics were computed from 17 interview experiences for the Micron Technology Senior Engineer role.
Micron Technology's interview process for their Senior Engineer roles is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Micron Technology's Senior Engineer interview process.