# Raffle

In the pool is numbers from 1 to 115. What is the probability that a randomly selected number is not a prime number?

**Result****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!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- MO 2016 Numerical axis

Cat's school use a special numerical axis. The distance between the numbers 1 and 2 is 1 cm, the distance between the numbers 2 and 3 is 3 cm, between the numbers 3 and 4 is 5 cm and so on, the distance between the next pair of natural numbers is always in - Simplify 2

Simplify expression: 5ab-7+3ba-9 - The percentages in practice

If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten. Tell percent using the following information: a. in June rained 6 days b, increase worker pay 500 euros to 50 euros c, grabbed 21 fro - TVs

Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase. - Number

What number is 20 % smaller than the number 198? - Bulbs

In the box are 6 bulbs with power 75 W, 14 bulbs with power 40 W and 15 with 60 W. Calculate probability that a randomly selected bulb is: - Gloves

I have a box with two hundred pieces of gloves in total, split into ten parcels of twenty pieces, and I sell three parcels. What percent of the total amount I sold? - Class

In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class? - New refrigerator

New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price? - Equation

Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number. - Conference

148 is the total number of employees. The conference was attended by 22 employees. How much is it in percent? - 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 - Inequation

Solve the inequation: 5k - (7k - 1)≤ 2/5 . (5-k)-2 - Apples 2

James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam? - Percents - easy

How many percent is 432 out of 434? - Sales off

Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall? - Base, percents, value

Base is 344084 which is 100 %. How many percent is 384177?