Answer:
Follows are the solution to this question:
Step-by-step explanation:
In point a:
Although both variables are non - stationary, for both the respective pmf, multiply all pmf principles. For example:
`
In point b:
In point c:
In point d:
Answer:
-1/2
Step-by-step explanation:
its a negative slope
equation
y= -1/2x +3
Answer:
18
Step-by-step explanation:
ratio of red apples to green apples is 7:2
red apples = 63
First, divide 63 with 7
63/7 = 9
Next, multiply the number gotten with the ratio number for green apples
9 x 2 = 18
18 green apples were sold
~
W(0.5, 1.2) and X(0.6, 2.5)
Answer:
465 miles
Step-by-step explanation:
From the question,
S₁ = d₁/t₁............................... Equation 1
Where S₁ = Speed travels by Perry for the first journey, d₁= First distance traveled by Perry, t₁ = First time taken.
make d₁ the subject of the equation
d₁ = S₁t₁................... Equation 2
Given; S₁ = 55 miles per hour, t₁ = 5.5 hour
Substitute these values into equation 2
d₁ = 55×5.5
d₁ = 302.5 miles.
Also,
d₂ = s₂t₂.......................... Equation 2
Given: s₂ = 65 miles per hour, t₂ = 2.5 hours.
d₂ = 65×2.5
d₂ = 162.5 miles
Hence,
Total distance = d₁+d₂
Total distance = 302.5+162.5
Total disstance = 465 miles