I can the company sold 3,00 units in 2008, and 5,00 in 2012
Answer:
-1/3
Step-by-step explanation:
Slope is rise over run which is -1 over 3
Ok so if 1200 total pens and 60 were taken that's a ratio of 1200/60=20
out of 60pens 4 didn't work, again ratio is 4/60=1/15 so about 1/15 of the pens didn't work.
so we have 1200pens * 1/15broken ratio = 80 pens or we can say
20*4=80pens won't work from 20 groups of 60 and 4 out of 60 not working is 20*4=80 not working from total batch of 1200.
hope this helps you some! thank you!!!!!!!!!
Answer: 61,750 miles
Step-by-step explanation:
Given : The p-value of the tires to outlast the warranty = 0.96
The probability that corresponds to 0.96 from a Normal distribution table is 1.75.
Mean : ![\mu=60,000\text{ miles}](https://tex.z-dn.net/?f=%5Cmu%3D60%2C000%5Ctext%7B%20miles%7D)
Standard deviation : ![\sigma=1000\text{ miles}](https://tex.z-dn.net/?f=%5Csigma%3D1000%5Ctext%7B%20miles%7D)
The formula for z-score is given by : -
![z=\dfrac{x-\mu}{\sigma}\\\\\Rightarrow\ 1.75=\dfrac{x-60000}{1000}\\\\\Rightarrow\ x-60000=1750\\\\\Rightarrow\ x=61750](https://tex.z-dn.net/?f=z%3D%5Cdfrac%7Bx-%5Cmu%7D%7B%5Csigma%7D%5C%5C%5C%5C%5CRightarrow%5C%201.75%3D%5Cdfrac%7Bx-60000%7D%7B1000%7D%5C%5C%5C%5C%5CRightarrow%5C%20x-60000%3D1750%5C%5C%5C%5C%5CRightarrow%5C%20x%3D61750)
Hence, the tread life of tire should be 61,750 miles if they want 96% of the tires to outlast the warranty.
Answer:
ok....
Step-by-step explanation: