Bài 3: Cho tập luật: r1: a^b >c r2: a^h>d r3: b^c >e
r4: a^d >m r5: a^b >p r6: p^e >m
Cho già thiết {a, b}, chứng minh kết luận {m}, bằng cách áp dụng cơ chế min.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?