12.01 Subsets and sample spaces
Interactive practice questions
A community center recorded class sign ups, but only kept track of the following information:
- $14$14 adults signed up for pottery
- $29$29 teenagers signed up for classes
- $20$20 people signed up for salsa classes
- $30%$30% of salsa sign-ups were adults
Fill in the table based on the given information about class sign-ups.
| Pottery Class | Salsa Dance Class | Total | |
|---|---|---|---|
| Teenagers | $\editable{}$ | $\editable{}$ | $\editable{}$ |
| Adults | $\editable{}$ | $\editable{}$ | $\editable{}$ |
| Total | $\editable{}$ | $\editable{}$ | $\editable{}$ |
A poll was given where people were asked: "Do you like pineapple on your pizza?" The following information was recorded:
The tree diagram below gives information on a survey of a group of students.
The students were asked if they prefer chocolate ($C$C) or vanilla ($V$V) ice cream. Each of the students was also asked if they prefer sprinkles ($S$S) or hot fudge ($F$F) as an ice cream topping.
The following table gives information on the treatment plans prescribed to cats with feline diabetes. Depending on the severity of the case, cats are either prescribed a special diet or insulin injections.