A university has 29,670 students. In a random sample of 255 students, 17 speak three or more languages. Predict the number of students at the university who speak three or more languages.​

you're Answer is 1,978 students because in below explanation

Step-by-step explanation:

Since 17 out of 255 students speaks three or more language, a prediction would be 29,670×17/255

= 1,978 students

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this