Answer:
Huh
Step-by-step explanation:
Huh......................
Answer:
33.3333% decrease
Step-by-step explanation:
Percent change formula:
, where x is the new value and y is the starting value.
Plug in values and solve:

-33.3333% change, or a 33.3333% decrease.
Answer:
See attached
Step-by-step explanation:
The answers added on the picture
a)
because it is equal to the area of the shaded region between X=4 and X=6, and the probability that X falls within some interval is given by the area under the PDF.
b)
because the shaded region is a rectangle of height 1/5 (by virtue of X following a uniform distribution over the interval [2, 7], which has length 5).
1. t = 7
2. t = 0
i think? although I’m not 100% sure