Answer:

Step-by-step explanation:
The missing parameters are:
--- population
--- population mean
-- population standard deviation
Required

First, calculate the sample standard deviation




Next, calculate the sample mean 

So:

So, we have:



Calculate the z score




So, we have:

From the z table

So:

0.0625 pounds are in exactly one pound.
Answer:
x ≥20
Step-by-step explanation:
Three fractions that are equivalent to 8/9 are 16/18, 24/27, and 32/36.
Best of luck, friend.