Probability to win the lottery

[Anna55]

The odds that you will win a certain lottery is 0.05. How high is the probability that you will win?

 

[galactus]

It would appear you have a probability already written as .05

Odds are written as ratios.

 

[soroban]

Hello, Anna55!

What is the original wording of the problem?
The wording is rather casual (sloppy).

The odds that you will win a certain lottery is 0.05.
How high is the probability that you will win?

Odds are always given as a ratio of two numbers.

If the odds were 0.05 to 1, we can proceed.

. . \(\displaystyle 0.05 : 1 \;=\;1:20\)

\(\displaystyle \text{Therefore: }\(\text{win}) \:=\:\frac{1}{21}\)

Mathematical quantities do not have height.
.

 

[Anna55]

I am sorry regarding the langunge, but I translated it from an other language. Thank you soroban I understand now!