Seagull

Artificially created island in the shape of a circle with a radius of 50 m is overgrown with grass. The only exception is a landing area for helicopters in the shape of a rectangle measuring 15 m and 8 m. What is the probability that the flying seagull (without the use of the senses, eyes, ......) make land to landing area?

Result

p =  1.528 %

Solution:

Try another example

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:

Be the first to comment!

Next similar examples:

1. Candies
   In the box are 12 candies that look the same. Three of them are filled with nougat, five by nuts, four by cream. At least how many candies must Ivan choose to satisfy itself that the selection of two with the same filling? ?
2. Candy
   Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
3. Components
   In the box are 8 white, 4 blue and 2 red components. What is the probability that we pull one white, one blue and one red component without returning?
4. Scrap
   From 6 products are 3 scrap. What is the probability that the random pick of 2 products have no defective product?
5. Sum 10
   What is the probability that two dice throw twice in a row will result the sum of 10?
6. The dice
   What is the probability of events that if we throw a dice is rolled less than 6?
7. Probability - tickets
   What is the probability that when you have 25 tickets in 5000 that you wins the first (one) prize?
8. Probability
   What are the chances that the lottery, in which the numbers are drawn 5 of 50 you win the first prize?
9. Raffle
   In the pool is numbers from 1 to 115. What is the probability that a randomly selected number is not a prime number?
10. Theorem prove
    We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
11. Cancer
    Of the 80 people 50 people ill cancer. What percentage of people isn't ill?
12. Box and whisker plot
    Construct a box and whisker plot for the given data. 56, 32, 54, 32, 23, 67, 23, 45, 12, 32, 34, 24, 36, 47, 19, 43
13. Two equations
    Solve equations (use adding and subtracting of linear equations): -4x+11y=5 6x-11y=-5
14. One half
    One half of ? is: ?
15. Powers
    Express the expression ? as the n-th power of the base 10.
16. Functions f,g
    Find g(1) if g(x) = 3x - x² Find f(5) if f(x) = x + 1/2
17. Divisible by 5
    How many three-digit odd numbers divisible by 5, which are in place ten's number 3?