Question

Reference: Ref 3-1

For this density curve, what percent of the observations lie between 0.50 and 1.5?
A. 0.25%
B. 12.5%
C. 25%
D. 50%

Answer 1

IMO D

Answer 2

from .5 to 1.5 has length 1
height is .5, so area is \(1\times .5=.5\)
total area is 1
so half of it

Answer 3

so I was right, thanks.. Didnt think abot area tho?