wow really only 48 people voted very easy
there was a similar q in textbook for the area one e(R")
there was a similar q for normal approx on one of ial papers.
there were many papers with sample dist.
pretty sure there was paper that had similar question to the 57 answer q asking for least value.
the poisson was kind of easy
the hyporthesis is always the same.
i dont see where people messed up.
there were many harder papers than this.