What is the effect of repeatedly using scales? After repeated use,( spring, digital, mechanical) scales may be slightly off, therefore(rezone, calibrate, reweigh) them to restore accuracy.

Culinary

Aresearcher developing scanners to search for hidden weapons at airports has concluded that a new scanner isis significantly better than the current scanner. he made his decision based on a test using alpha equals 0.025 .α=0.025. would he have made the same decision at alpha equals 0.10 question mark α=0.10? how about alpha equals 0.01 question mark α=0.01? explain