Answer:
X=2
Step-by-step explanation:
20x+40=80
20x+40-(80)=0
20x-40=0 20x=40
x=40/20
X=2
Answer:
20.27
Step-by-step explanation:
B is the correct answer
slope-intercept is in the form y = mx + b
32
Hope it’s right
Best luck with your studying
Given the CDF

we have PDF

Note that

is wait-time given in hours, so we need to convert from minutes to hours:

so we're looking for

.
The CDF gives us this value right away, since

for any continuous random variable

with distribution function

:

To use the PDF, we need to integrate: