Find the value of x and the value of y.
a.
x = 10, y = 130
b.
x = 65, y = 10
c.
x = 65, y = 130
d.
x = 130, y = 10

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .