Answer:
use a calculator
Step-by-step explanation:
Your answers should be, the first one 1. (3.1)(3.1)(3.1)(3.1) and 3. (3.1)(3.1)(2)
You are expected to use a z-score table to find how many standard deviations correspond to having 10% outside the bounds. It is like having 68% within 1σ. The table interpolates.
I'm sorry I looked everywhere and I still cannot find how to calculate with the data provided. I'm new to stats so any help is appreciated, if there is any more information let me know and I could solve it.
Answer:
120
244
90
226
228
454
are answers correspondingly