Final answer:
To find the percentage of students with a phone plan including texting, add the number of students with texting to the number with voice, texting, and data, then divide that sum by the total number of students surveyed and multiply by 100%.
Step-by-step explanation:
To find the percentage of students surveyed who have a phone plan with texting, we need to calculate the proportion of students who have a phone plan with texting out of the total number of students surveyed.
First, let's add up the number of students who have a phone plan with texting and the number of students who have a phone plan with voice, texting, and data:
Number of students with texting: 12
Number of students with voice, texting, and data: 4
Next, we add these two numbers together:
12 + 4 = 16
Now, we can calculate the percentage:
(16 / total number of students surveyed) × 100%
Based on the given information, the total number of students surveyed is:
No cell phone: 20
Voice only: 14
Voice and texting: 12
Voice, texting, and data: 4
Total: 20 + 14 + 12 + 4 = 50
So, the percentage of students surveyed who have a phone plan with texting is:
(16 / 50) × 100% = 32%
Learn more about Calculating percentages