To find the expected value of the distribution, we multiply each outcome by it's probability. Doing this, we get that the expected value of defects on a skateboard is of
.
Outcomes and probabilities:
0 defects, 9/10 probability
1 defect, 1/20 probability
2 defects, 1/25 probability
3 defects, 1/100 probability.
Expected value:

Dividing both numerator and denominator by 4:

Thus, the expected value of defects on a skateboard is of
.
A similar problem is given at: brainly.com/question/23156292.
Answer:
Unable to tell you
Step-by-step explanation:
Due to the fact we can't see the shape below, we are unable to help you. make sure to post a picture next time!
Y = 2x + 2
The slope must stay the same since they are parallel and the new point would be the y intercept.
Answer:
1.
n=11
2.
![n = \sqrt[3]{9}](https://tex.z-dn.net/?f=n%20%3D%20%20%5Csqrt%5B3%5D%7B9%7D%20)
Step-by-step explanation:
Question 1:
The given equation is:

Subtract 5 from both sides:


Divide boy sides by:
-3

Question 2:
The given expresion is :

Subtract 5 from both sides

This implies that;


![n = \sqrt[3]{9}](https://tex.z-dn.net/?f=n%20%3D%20%20%5Csqrt%5B3%5D%7B9%7D%20)