Posted by **jasmine** on Friday, September 28, 2007 at 12:14am.

the roller coaster has two seats in each of 12 rows. Riders are assigned to seats in the order they arrive. if you ride this roller coaster once, what is the probablilty of getting coveted first row? How many times must you ride in order to have atleast a 95% chance of getting a first row seat atleast once?

- math -
**drwls**, Friday, September 28, 2007 at 2:55am
If all seats fill every time, then the probability of getting a front row seat is 1/12.

To have a 95% chance if getting a front row seat, you must reduce the probabilty of not getting a seat to 0.05

(11/12)^N = 0.05

N log (11/12) = log .05

solve for N

Solve for N

## Answer This Question

## Related Questions

- Math - A group of 378 people are standing in line to ride a roller coaster.If ...
- Physics - we are doing a really dumb websearch in my Physics class on roller ...
- physics - 3.A roller coaster has a vertical loop with radius 27.1 m. With what ...
- physics - A roller coaster has a vertical loop with radius 17.9 m. With what ...
- Math - An auditorium has 150 rows of seats. The first row has 15 seats, the ...
- math - Stephanie is working on a graph that represents the path of a roller ...
- physics - Consider a roller coaster as it travels near the bottom of its track ...
- Math - The rattler roller coaster is 66 ft tall. if you are at the top of the ...
- math (plz help) - In a movie theater, theater A has 30 seats in the first row. ...
- Algebra - I NEED HELP A$AP, PLEASE! I don't understand how to do this :( I have...

More Related Questions