1. The American Medical Association claims that 45% of college students gain at least 10 pounds by the end of their first year in college. A simple random sample
of 600 US college students were selected. What is the probability that the
sample proportion of those that gained at least 10 pounds is less than 42%. Use
the 4-step plan. (Please attach your work). *

c. side angle side. u shares the same sides

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)