# Math

posted by .

On a certain road 20% of the vehicles are trucks, 16% are buses and the remainder are cars.
(i) A random sample of 11 vehicles is taken. Find the probability that fewer than 3 are buses. [3]
(ii) A random sample of 125 vehicles is now taken. Using a suitable approximation, find the
probability that more than 73 are cars.

• Math -

A truck driver estimates that a country road rises 40 cm for every 6 m along the road. What is the angle of inclination of the road?

## Similar Questions

1. ### math

your school is planning to bring 193 people to a competition at another school. there are eight drivers avialable and 2 types of vehicles buses and minivans. the school buses seat 51 people each, and thw minivan 8 people each.
2. ### math

does anyone understand what this question means?
3. ### math

how do we do this..... Your school is planning to bring 193 to a competition at another school. there are eight drivers available and two type of vehicles, school buses and minivans. the school buses seat 51 people each, and the minivans …
4. ### math

394 cars, 57 trucks, and 23 buses ventured out in the snowstorm. 83 1/3% got stuck in the snow. How many vehicles got stuck?
5. ### MATH

IF XYZ AUTO CO SOLD 23,000 VEHICLES IN 1999, HOW MANY WERE SUV'S?
6. ### Statistics

The average age of vehicles registered in the united states is 96 months, with a standard deviation of 16 months. If a random sample of 36 vehicles is selected, find the probability that the mean of their ages is between 90 and 100 …
7. ### Math

All 231 students in the math club went on a field trip some students Road in bands which hold seven students each and some students Road and buses which hold 25 through and see how many of each type of vehicle did they use if there …
8. ### math

The ratio of buses to cars entering the lot was 2 to 11. If 650 vehicles entered the lot all together, how many were cars?
9. ### Life Management

The Lemon Law pertains to: a. new cars and trucks*** b. used cars and trucks c. only vehicles purchased from the dealerships
10. ### Statistics

A certain university has 7 vehicles available for use by faculty and staff. Five of these are vans and 2 are cars. On a particular day, only two requests for vehicles have been made. Suppose that the two vehicles to be assigned are …

More Similar Questions