Question 4 8 pts
The mean tread life of a tire is 30,000 miles with a standard deviation of 2000 miles. Tire tread life is normally
distributed
a) Draw and label the Normal curve for tire tread life. (This will be checked on your work page that you are
submitting to the last question.)
b) What percent of tire treads will last less than 28,000 miles?
c) What percent of tire treads will last between 26,000 and 32,000 miles?
d) What percent of tire treads will last more than 34,000 miles?

answer: 370

step-by-step explanation:

remember use pemdas! there are no parentheses or exponents so lets move onto the first part of the equation: multiplication and division. first, lets break the first part of the equation up into something easier using the distributive property. 28 * 12= (20 *12) + (8*12) you know that 20*12 is 240 and 8*12 is 96. add them and you get 336. then, lets solve the last part of the equation (the last part of pemdas is addition and subtraction). 336 plus 34 is 370. hope this !

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

step-by-step explanation:

this is not possible to solve with the info given.   you need at least an one angle somewhere.

found it xd it ok yt