Answer:
1.86
Step-by-step explanation:
Given the following :
X : - - - - 0 - - - - 1 - - - - 2 - - - - - 3 - - - - 4
P(x) - 0.37 - - 0.28 - - 0.22 - - 0.22 - - 0.12
The mean of the distribution can be calculated by evaluated by determining the expected value of the distribution given that the data above is a discrete random variable. The mean value can be deduced multiplying each possible outcome by the probability of it's occurrence.
Summation of [P(x) * X] :
(0.37 * 0) + (0.28 * 1) + (0.22 * 2) + (0.22 * 3) + (0.12 * 4)
= 0 + 0.28 + 0.44 + 0.66 + 0.48
= 1.86
Answer:
![y-0=23(x-3)](https://tex.z-dn.net/?f=y-0%3D23%28x-3%29)
Step-by-step explanation:
Point-slope form:
when the given point is
and
is the slope
Plug in the point
Plug in the slope
![y-0=23(x-3)](https://tex.z-dn.net/?f=y-0%3D23%28x-3%29)
I hope this helps!
Answer: They washed 60 small cars.
Step-by-step explanation:
5x + 10y = 800
y = 50
5x + 10(50)
5x + 500 = 800
Subtract 500 from each side
5x = 300
Divide each side by 5
x = 60
Idk 5 miles : 60 minutes I guess if we're talking about ratios but ig it could also be 1 mile : 12 minutes