You get one spin . What is the probability of spinning a number smaller than 5 ?

not enough data!

how many numbers are there ?
are the numbers whole numbers ?
.... etc

To calculate the probability of spinning a number smaller than 5, we need to determine the total number of possible outcomes and the number of favorable outcomes.

In this case, let's assume that the spin can result in any whole number from 1 to 10.

Total possible outcomes: 10 (numbers 1 to 10)

Favorable outcomes (numbers smaller than 5): 4 (numbers 1, 2, 3, and 4)

Therefore, the probability of spinning a number smaller than 5 is given by the ratio of favorable outcomes to total outcomes:

Probability = (Number of favorable outcomes) / (Total number of outcomes) = 4/10 = 2/5 = 0.4

So, the probability of spinning a number smaller than 5 is 0.4 or 40%.