问答题
求常数,使(|-|>)=0.01;
问答题求常数𝑎,使𝑃(|𝜉-𝑎|>𝑎)=0.01;
求常数,使(|-108|≤)=0.90;
问答题求常数𝑎,使𝑃(|𝜉-108|≤𝑎)=0.90;
(101.1<≤117.6);
问答题𝑃(101.1<𝜉≤117.6);