Let X Represent the Amount of Time Till the Next

question 7

Multiple Choice

Let X represent the amount of time till the next student will arrive in the library parking lot at the
University.If we know that the distribution of arrival time can be modeled using an exponential
Distribution with a mean of 4 minutes (i.e.the mean number of arrivals is 1/4 per minute) , find
The probability that it will take between 2 and 12 minutes for the next student to arrive at the
Library parking lot.

• A) 0.049787
• B) 0.556744
• C) 0.606531
• D) 0.656318

---

Definitions:

Orbital Life

The concept of living and working in space in orbit around Earth or another celestial body.

GEO

Stands for Geostationary Earth Orbit, a circular orbit 35,786 kilometers above the Earth's equator and following the direction of the Earth's rotation.

LEO

Low Earth Orbit; a satellite system orbiting relatively close to Earth, typically between 160 to 2,000 kilometers.

MEO

Medium Earth Orbit, a region of space around the Earth positioned at an altitude higher than low Earth orbit (LEO) and lower than geostationary orbit (GEO).