2. The computer randomly filled a digital urn with 20 balls. Each ball can be either
blue
or
red.
The specific number of
blue balls (
B) was determined randomly by the computer, ranging from 2 to 18, with each number having an equal probability of being selected.
Note: Each round, the urn will be refilled with a new set of 20 balls.
{% else %}
1. The computer randomly filled a digital urn with 20 balls. Each ball can be either
blue
or
red.
The specific number of
blue balls (
B) was determined randomly by the computer, ranging from 2 to 18, with each number having an equal probability of being selected.
Note: Each round, the urn will be refilled with a new set of 20 balls.
Your task is to guess the proportion of
blue balls
B%!
{% endif %}
Here is an image depicting the 20 balls that make up the urn. The colors of the balls are unknown to you.
{{ formfields }}
{{ next_button }}
{{ endblock }}