# Math Help - Probability

1. ## Probability

Pls Fans i need ur help in this mathematical problem.............A number is chosen at random from the number 1 to 30 inclusive.What is the probability that the number will be divisible by 5?
THANKS FOR UR AID

2. ## Re: Probability

what's the probability of picking any number?

how many ways can you pick a number divisible by 5

multiply

3. ## Re: Probability

Originally Posted by leibnitz
Pls Fans i need ur help in this mathematical problem.............A number is chosen at random from the number 1 to 30 inclusive.What is the probability that the number will be divisible by 5?
Here is a vocabulary lesson.
If one says "integers from one to thirty" means $1\le n\le 30$.
If one says "integers between one to thirty" means $1< n< 30$.

Now to answer question is: $\frac{{\left\lfloor {\frac{{30}}{5}} \right\rfloor }}{{30}} = \frac{1}{5}$