Discrete Random Variables (DRV)

Discrete Random Variables (DRV)

Given that \(X\sim\text{B}\hspace{0.1em}(n,p)\) and \(\text{Var}\hspace{0.1em}(X)=\frac{2}{5}\text{E}\hspace{0.1em}(X)\), find the least value of \(n\) such that \(\text{P}\hspace{0.1em}(X\ge 1)>0.95\).

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Answer:\(n=4\)

Need help? Join our JC Math tuition classes.

Learn more