Statistics using technology textbook 2.1.2 homework problem 1

Complete 2.1.2 Homework Problem 1. Notice that the variable of interest is activity, the type of work that was done for a client, and the data set is called Eyeglasses. Use this information and the code on page 41, giving the bar plot an appropriate name. If you get an error like Error in of_bar(. . .) : could not find function "of_bar" make sure you have the mosaic package by going to Tools > Install Packages > mosaic > Install, then running library(mosaic) in your console or Rmd file. Mark all of the following that are true. Be sure to run the R code before answering this question. It might be tempting to guess and check, but (1) knowing how to use R is worth a good amount of your grade, (2) knowing how to use R could make you an invaluable employee or applicant for a job later, and (3) there are thousands of combinations of answers, so guess/check won't be time efficient anyway. There are around 5000 assemblies. Around 10000 frames were made and combined with lenses from other companies. Around 20000 lenses were ground and put into frames. Around 10000 lenses were coated and tinted. Around 27000 glasses were received, Around 10000 glasses came from an unknown source. There are 98698 cases in this data set