1. The following data is the result of a study carried out to measure the level of preference of consumers (20 in total) regarding the color of a new brand of pens. With the information provided, answer from 13 to 16.

(8 points),6 red,4 blue, 3 green, 7 violets

Answer: what is the probability for each of the colors?

3. Make a contingency table to group the following data

exercise:

The company seeks to get an idea of the preferences that consumers have regarding Christmas gifts. For this, they interviewed a group of 150 people, including adults and children.

Clothes - 35 children - 45 adults

Board games - 10 children - 20 adults

Video games - 30 children - 10 adults