Nadia surveyed 80 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. another 15% of the students she surveyed reported that their favorite class is science. how many more students in the survey prefer math over science? (5 points)

a: 12

b: 32

c: 44

d: 48

i would have to say it is c.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

play black ops 4 answer a

step-by-step explanation: