5. Binomial Distribution & Discrete Random Variables - Parte 1 di 2!

5. Binomial Distribution & Discrete Random Variables / Discrete Random Variables / Problema 4

Problema 4

With an average of $2$ volcanic eruptions per year in a certain area, use the Poisson distribution to find the expected number of years with exactly $3$ eruptions in a $100$ -year period.

$19$ years

$18$ years

$20$ years

$22$ years

With an average of 22 volcanic eruptions per year in a certain area, use the Poisson distribution to find the expected number of years with exactly 33 eruptions in a 100100-year period.