— He seemed interested in my experience, but he didn't ask for references.
A:Perfect!
B:I'm not sure.
C:That's right.
D:Couldn't be better.
已知某次月考的数学考试成绩ξ∼N90,σ2σ>0,统计结果显示p70≤ξ≤110=0.6,则pξ<70=( )