The results for a survey of 120 students who were selected randomly are as follows: 60 students have a cell phone plan with Verizon, 36 students have a cell phone with T-Mobile, and 24 students do not have a cell phone. The total number of students in the school was 380. Based on the data, what is the BEST approximation for the total number of students who have a cell phone plan with T-Mobile? *

The BEST approximation for the total number of students who have a cell phone plan with T-Mobile is 114.

Step-by-step explanation:

To find the BEST approximation for the total number of students who have a cell phone plan with T-Mobile, we first find the proportion of the sample, then apply to the entire population.

Sample

Of 120 students, 36 have a cell phone with T-mobile.

The sample proportion is:

There are 380 students

0.3*380 = 114

The BEST approximation for the total number of students who have a cell phone plan with T-Mobile is 114.

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Step-by-step explanation:

The slope of a line given two points is given by

m = (y2-y1)/(x2-x1)

   = (9-6)/(5-5)

   = 3/0

This slope is undefined