A widget manufacturer knows that their widget lengths are approximately Normally distributed with mean 12.1 inches and standard deviation 1.8 inches. One widget is 14.7 inches long. That widget z-score is about...

answer:

Get a z-score chart

https://www.stat.tamu.edu/~lzhou/stat302/standardnormaltable.pdf

z = (X - μ) / σ, where X = date, μ = mean, σ = standard deviation

z = (12.8 - 15.2) / 1.6

z = -1.500

0.06681 is the area for this z.

6.681% shall be shorter than 12.8 inches.

Step-by-step explanation:

answer:

b

Step-by-step explanation:

just multiply 1.08 by 34

Step-by-step explanation: so you multiply 108% by 34 but you have to change the % into a decimal so move the decimal over and you will get 1.08 after that you need to multiply 1.08 by 34 and you will get 3.24 but after that you need to convert that into a decimal so your final answer will be 81/25 P.S this is not reduced