Answer:
a) For this case we define the random variable as X ="waiting time during peak hours" and we know that this distribution follows an uniform distribution:

Where a and b represent the limits of the distribution.
b) 
And the height for this case would be 0.125
Step-by-step explanation:
Part a
For this case we define the random variable as X ="waiting time during peak hours" and we know that this distribution follows an uniform distribution:

Where a and b represent the limits of the distribution.
Part b
For this case the density function would be given by:

And the height for this case would be 0.125
And
for other case.
The cumulative distribution function would be given by:



Let:
Lala be l
Polina be P
Goffy be G
the respective ratio is 6:5:3
Given that Polina's loudness is 420 decibels then the total loudness will be calculated as follows:
Total ratio=6+5+3=14
hence total loudness will be:
14/5×420
=1,176 decibels
Answer:
x=−6
Step-by-step explanationn
21Step-by-step explanation:
Answer:
$36
Step-by-step explanation:
You have to find the area because the rope is around the edges
3 yards x 6 yards = 18 square yards (area)
Rope is $2 every yard and there are 18 yards so you multiply.
18 yards x $2 = $36
(I deserve to be the brainliest )