| Exam Board | CAIE |
|---|---|
| Module | S2 (Statistics 2) |
| Year | 2017 |
| Session | November |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Approximating the Poisson to the Normal distribution |
1 A random variable, $X$, has the distribution $\operatorname { Po } ( 31 )$. Use the normal approximation to the Poisson distribution to find $\mathrm { P } ( X > 40 )$.\\
\hfill \mbox{\textit{CAIE S2 2017 Q1}}